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 Expert  725817

Expert in Printer & Digital Imaging Technology, Laser & Inkjet Product Development and Competitive Analysis

Available for your Consulting and Expert Witness Needs

Alabama (AL)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise:

Listed with other top experts in: 

He has performed numerous head-to-head evaluations of printer products involving hands-on operation. This included evaluation of all important product features related to performance, print quality, and cost of operation (including ISO test methods). Results of most of these analyses were published in a successful subscription series produced by Lyra Research that ran for about five years and included nearly 90 different products.

Other competitive analysis projects were performed on a confidential basis for some of the leading providers of printer products and technology.

Another aspect of competitive analysis that he engages in is design deconstruction of released products - from both the system as well as the mechanical perspective. When coupled with the diligent analysis of patent literature, these methods can give a strong indication of future developments as well as reveal possible instances of infringement. In addition, Expert keeps up with published accounts of leading developments and product introductions on a continuing basis.


competitive analysis

Part of the competitive analysis that he was involved in included benchmarking printer performance and operating cost. He developed unique benchmarking test suites and methodologies in these areas. Expert's techniques were unique in that they allowed the overall printing process to be dissected and the individual parts characterized. This allowed designers to focus on those areas where important performance gains could be made. These methods were used for producing a series of nearly 90 printer evaluation reports for a successful subscription series published by Lyra Research (The Hard Copy Printer Evaluation Series, authored by W. Expert of CompuMetric Labs and published by Lyra Research, Newtonville, MA).

The same methods were also used for individual projects where major printer companies engaged CompuMetric Labs to confidentially evaluate their new product offerings against the competition.

Expert runs an ongoing enterprise that offers testing services under his direction.


competitive benchmarking



He has been recently involved in analyzing patterns and trends in printer technology innovations as revealed by patent applied for and issued. This work forms the basis of a new printer technology intelligence briefing related to laser printers.

competitive intelligence

As part of the development of inkjet and dye-sub photo printers, he was involved in developing the image processing software required to decompress digital photographic images that are encoded as JPEG files in digital cameras. This involved an understanding of the details of the image capture process, image compression, and EXIF file formatting. It also required an understanding of the methods of displaying the thumbnail and full images on camera (and printer) LCD displays. The related printer development activities included replication of key camera functions such as display, save-to and read-from memory cards, USB Pictbridge camera-to-printer communication interface, and video output for display of images on a monitor or TV.

digital photography

He has been involved in a wide range of digital printing aspects. He is thoroughly familiar with host printer drivers that encode the images in PostScript and/or PCL page description languages, as well as JBIG formatted data streams.

He has been responsible for and directly managed groups that very successfully developed printer controllers for laser printers. These controllers interpreted the page descriptions and rasterized the images into bitmaps that were used to modulate laser beams and thus record the image.

He has also been responsible for development of software that formats encoded bitmap data into head-firing sequences and overlapping sweeps for inkjet printers.

He was involved in implementing the first desktop color laser printer while at QMS which set the industry standard for that new market segment.

His team also developed a clone PostScript interpreted as well as overall system architecture for handling multiple networked input data streams and complex output finishing options for high speed printers (known in the industry as the Crown system). This core technology which was developed in the early 90s has been used in many QMS and Minolta products more that ten years after it was developed. In fact, it was a major asset sought by Minolta when it acquired QMS.


digital printing


laser digital-imaging system


non-impact printing product development


printer technology

While a senior manager at QMS, he was responsible for interfacing with electrophotographic print engine suppliers and selecting a partner to develop the first desktop color laser printer to reach the market. During that development process he interacted closely with the team developing the color electrophotographic system at Hitachi, establishing specifications, overseeing periodic design reviews, and assessing prototype test results.

At another time, while working with monochrome laser printers, he was personally responsible for discovering the cause and solution for a major print quality problem related to the electrophotographic process for an existing shipping product line. This avoided a major disaster wherein an otherwise successful product would have had to be withdrawn from the market.

Through his responsibility for developing printer controllers, he gained intimate knowledge of various "video" interfaces used to control the data flow and determine status and error conditions of laser print engines.

As part of his responsibility for evaluating candidate laser print engines for possible use by QMS, he critiqued numerous designs and also established a testing lab to evaluate print quality, performance, and reliability of early samples and prototypes.

Additionally, he managed the development of a number of laser printer controllers for printing PCL and PostScript formatted files as well as JBIG stream encoded data.


electrophotographic printer


laser printer


laser printing

He has designed and developed image processing pipelines involving a number of chained algorithms related to JPEG image printing, including: decompression, scaling, rotation, color space conversion, and formatting for inkjet print-heads, LCD displays, and video displays. These pipelines were developed for implementation within an embedded processing system where the amount of RAM memory was severely restricted. The images were processed end-to-end in strips to conserve memory.

He has also had experience with image processing of scanned pixel-by-pixel raw data (RGB) and its conversion to YMCK color space. This included calibration of the scanner to compensate for variations of the raw input data due to time- and spatial-varying illuminant intensity.

These image processing developments were successfully implemented in photo printer and MFP product solutions.


image processing

He has been involved in directly implementing the controller software to communicate with host devices via USB, digital cameras, and memory cards, and in processing the resulting data into print-head nozzle firing sequences and overlapping sweeps coordinated with the media stepping. He is familiar with various host data formats including PCL and ESC/P.

A few years ago he was engaged by a Fortune 100 firm in a project to analyze inkjet print-head and printer systems. He deconstructed the designs of several commercial print-heads, including both thermal and piezoelectric types, as well as analyzed the related ink delivery systems. From this analysis, he projected the likely future developments in those areas. This assignment was for a then non-printer Fortune 100 company that was making a decision about entering the inkjet product business. He presented his recommendations in person formally to the firm's CEO, a high-profile industry executive. Subsequently, base in part on Expert's advice, the company successfully entered the printer business.

He has also had assignments related to inkjet cartridge patent infringement litigation involving deconstructing cartridges and providing declarations and depositions stating and defending his opinions. As part of this process, he prepared and presented a one-hour formal tutorial on the technology to the presiding federal judge at a Markman hearing in court session.


ink-jet printer


ink-jet printing

Throughout more than twenty years in the printer industry, Expert has been responsible for more than twenty new product introductions based on designs implemented under his management. He has always taken a very hands-on approach to product design and development, often writing/editing technical specifications, personally developing and managing detailed schedules, and spending time in the test labs.

The product design and development activities included both substantial hardware and software elements.

He has developed the important infrastructure elements for design reviews, software quality assurance, reliability, and regulator testing. And he has staffed these functions with competent managers.

As is often the case, it makes sense to outsource key elements of the development process to achieve a faster time-to-market. Expert embraced this tactic and was usually fully engaged in the selection and negotiation process.

He has led global teams with direct reports in France and the US as well as subcontractors in India and Japan.


new product design


new product development


new product development management


rapid product development

Expert has provided expert witness services for a number of cases involving digital imaging and related communication technologies. These cases include several patent infringement matters as well as product claims matters.

He has developed and appeared in Federal court to present a Markman hearing tutorial. (In addition to organizing and developing the full tutorial presentation, he also contributed to the creation of demonstrables including animation clips and poster exhibits. Also, he advised in the development of the claim construction brief.)

In other matters he developed numerous claim charts supporting arguments for prior art anticipation and obviousness. In one such matter, he worked on behalf of multiple defendants who allegedly infringed two patents.

He has also provided infringement/non-infringement analysis and reports in other patent cases. His analyses were based on product inspection, operation and deconstruction as well as reviews of electrical circuit schematics, reviews of software code, and reviews of specifications and other product development documents produced through discovery.

Expert maintains a small laboratory which is available to inspect, operate and deconstruct products under investigation. For instance, his laboratory is often used to conduct benchmark testing to verify product claims. He is knowledgable and experienced in international testing standards related to digital imaging and office automation equipment.

Expert has been deposed on three occasions and has provided numerous reports and rebuttal reports spanning several cases.


Markman hearing


patent claim construction


patent claim construction brief


patent infringement


reverse engineering

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Mobile, Alabama;  Gulfport, Mississippi;  Biloxi, Mississippi;  and Pensacola, Florida.

Year   Degree   Subject   Institution  
1972   PhD   Mech/Aerospace - Materials Science   Rice University  
1968   MS   Physics   University of New Orleans  
1966   BS   Physics   University of New Orleans  

Work History:
Years   Employer   Department   Title   Responsibilities

2007 to





President/Principal Analyst


This is a firm engaged in printer technology testing, evaluation, consulting, and development. The lab performs testing, analysis and development of laser and ink jet printer products for the world's major suppliers of these technologies. He executed inkjet printer testing projects, served as an expert witness, and conducted printer technology intelligence research.

2005 to 2007


Tak Imaging, Inc.


Fairhope, AL Office


Sr. Director of Software Engineering


He managed an international team (US, France, India) of about 30 engineers that developed embedded software to control inkjet and dye-sublimation photo printers and multifunction devices. The software ran on a multi-processor system-on-chip (SoC) device developed by Tak Imaging, including a programmable digital signal processor core for image processing. The software handled low level engine control functions (paper movement, head sweep) as well as multiple connectivity channels (USB, memory cards, Bluetooth), LCD user interface, and image processing.

1995 to 2004





President/Principal Analyst


Expert's Firm was a firm engaged in printer technology testing, evaluation, consulting, and development. Lab performed testing, analysis and development of laser and ink jet printer products for the world's major suppliers of these technologies. (In 2005 its assets were sold to TAK Imaging, Inc. of San Mateo, Cal.) Under his guidance, the firm developed three generations of network-connected controllers for Hitachi and Fuji-Xerox color laser print engines under contract with NetSilicon, Inc. of Waltham, Mass. (later acquired by DIGI International). During part of this period Expert also served as management consultant to QMS, Inc. of Mobile, Ala. In this role he managed the product engineering organization responsible for developing network-connected controllers for color and mono laser printer systems. This included development of multiple controllers for several print engine platforms and product launches. During another period, he also served as a consultant program manager with QMS for the development of a controller for a 25 ppm networked laser printer product which was outsourced to a third party. His service to QMS in the late 1990's helped prepare the company for its acquisition by Minolta Corporation of Japan. Later Minolta merged with Konica and the entity is now known as Konica-Minolta. Between 1995 and 2000, Expert was the principal author of 89 reports in the Hard Copy Printer Evaluation Series published by Lyra Research, Inc. of Newton, Mass. In 2005 He negotiated the sale of CompuMetric Labs' assets to TAK Imaging.

1986 to 1992


QMS, Inc




Vice President


He was responsible for the engineering organization that developed controllers for all of QMS' printer product lines. Product features included support for several page description languages (PS, PCL, etc.) and well as multiple network connectivity ports. His accomplishments included over 20 new product releases and major upgrades with several new innovative, first-to-market features. He was the primary technical/business interface with suppliers of print mechanisms.

1983 to 1985


Flopetrol/Johnston Schlumberger




Manager, Instrumentation Department


He developed high temperature, high pressure instruments for down-hole oil well measurements. He was involved in high density electronic packaging technology.

1978 to 1983


Texas Instruments


Terminal and Periphral Division


Section Mgr./MTS


He was a technical contributor in the following areas: - Development of seismic exploration data acquisition and processing instrumentation. Also electro/mechanical hydraulic vibrator control system development. - Flat panel plasma display technology. Developed automated inspection and production test system. - Manufacturing instrumentation for disk drive assembly operation, disk and head certification equipment.

1973 to 1978


Terxas Instruments


Central Research Lab


Member of Technical Staff


Bubble memory research and development in TI's Central Research Laboratory. He was a member of a team that developed the first commercial bubble memory product. Also developed bubble memory devices under Air Force Avionics Lab contract.

1972 to 1973


Rice University


Physics Department


Post-Doctoral Research Fellow


He was responsible for experimental investigation of magneto-acoustic properties of rare-earth metals.

Career Accomplishments:

He was a member of IEEE and Society for Imaging Science and Technology.


He is the Co-recipient of the outstanding patent award at Texas Instruments, Inc.

Publications and Patents Summary

He has Published over a dozen papers in scientific/technical journals early in career. He has Authored 89 Hard Copy Printer Evaluation Series reports, published by Lyra Research between 1995 and 2000.

Consulting Services:
Selected Consulting Examples:
  • He served as management consultant. In this role he managed the product engineering organization responsible for developing network-connected controllers for color and mono laser printer systems. This included development of multiple controllers for several print engine platforms and product launches. During another period, he also served as a consultant program manager with QMS for the development of a controller for a 25 ppm networked laser printer product which was outsourced to a third party. He service to QMS in the late 1990's helped prepare the company for its acquisition by Minolta Corporation of Japan. Later Minolta merged with Konica and the entity is now known as Konica-Minolta.
  • Printing Technology Consultant: he is involved in testing and analyzing performance of RISC microprocessors for PostScript laser printers. – He advanced Printing Systems, Norwalk, CT – He worked on high speed laser printer system utilizing MICR toner for check printing. - RT & C Systems, Alameda, Cal. – He was involved in defining/specifying an ASIC chip for low cost printer controller. - Ricoh, San Jose, Cal. – He evaluated competitiveness of a new network printing product. - DP-TEK, Wichita, Kan. – He developed packaging, manufacturing, test and integration plans for add-on printer enhancement product. He negotiated cost and schedule for turn-key SMT assembly. - Datametrics Corp., Chatsworth, Cal. – He helped the company migrate unique military color printing technology into an industrial/commercial product. - Canon, Inc., Lake Success, N.Y. – He worked with them to develop a new raster image processing technology.
  • Consultant/Business Development : He developed manufacturing test strategy for new superconducting integrated circuit chips. - Trans-Circuit Technology, Houston, Tex. – He developed business plan and venture capital funding proposal for Surface Mount Technology contract assembly business.
Recent Client Requests:
  • Expert for large copier contracts for consulting on Copier/Printer contract renewal and negotiations.
  • Label design expert for consulting on 1D and 2D bar code labels - harsh environment.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Printer label media claims litigation. Extensive lab testing of competitive label products on laser and inkjet printers, expert reports and rebuttals. Multiple utility and design patent infringement matter involving inkjet printer cartridges. Developed and presented to court Markman tutorial for claims construction hearing, deconstructed print cartridges and authored multiple reports involving design analysis and microphotography related to claims validity, provided multiple rebuttal reports and was deposed. Product claims litigation involving facsimile machines and print engines. Services included laboratory testing, report and were deposed. Utility patent infringement matter involving thermal printing and thermal print media. Prepared declaration and assisted in preparation of Markman tutorial for claims construction hearing. Appeared in court for Markman hearing. Favorable Markman ruling received for client on claims construction that precludes infringement.
Recent Litigation Client Requests:
  • Expert for consulting on patent issues related to inkjet cartridges.
  • Expert in bar code printers and software for patent case.
  • Printer technology expert for consulting on Inter Partes Review at U.S. Patent Office.
  • Intota expert for consulting on Flash Memory Card Readers Patent infringement.
  • Expert in expert witness in a patent litigation involving toner cartridges.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
2005 to 2007   India   While employed at Tak Imaging, he was responsible for a team of 16 software developers working in Noida, India
2005 to 2007   France   While employed at Tak Imaging, he was responsible for a team of 6 software developers working in Guyancourt, France.
1986 to 1992   Japan   While employed at QMS, he pas the primary technical management interface with Japanese suppliers of laser and inkjet print engines.

Market Research:
He has insight into printer technology innovations intelligence briefing webinar on new technology for laser beam scanning (soon to be available for streaming). He developed printer technology performance and methodologies for analyzing system bottlenecks.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:
Supplier and Vendor Location and Selection

When at QMS he was responsible for evaluation, qualification, and selection of laser printer engines platforms upon which QMS products were built in volume production. He had relationships with major suppliers of printer technology, including Canon, Ricoh, Panasonic, Fujitsu, Fuji-Xerox, Hitachi and Minolta, all in Japan. On the software side he was principal technical interface with Adobe Systems while at QMS. Later he was responsible for outsourcing and managing a turn-key laser printer product development project for QMS to Xionics Inc. (now Zoran).

Other Skills and Services

He can perform patent portfolio analysis, webinar streaming video production, design deconstruction, source code inspection and schematic inspection.


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