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 Expert  107598

Expert in Bar Coding, Automatic Identification, Printing, and Optics

Available for your Consulting and Expert Witness Needs

Washington (WA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
Expert has spent many years designing and building bar code equipment and consulting on bar code technology. He has consulted on retail, shipping, medical, manufacturing, electronics, and other industrial and commercial bar coding applications.

Over the last 15 years, Expert has built laser, LED array, thermal transfer, and thermal printers. He has studied and evaluated ink jet, electro-static, dielectric, electrographic, magneto graphic, and label printers. He designed label stock, adhesives, labeling systems, thermal transfer, and thermal media. He designed thermal and LED array printer heads including thick and thin films. He also designed electronic drivers, software and print algorithms including data compression.

Expert has extensive experience designing and developing pulsed infrared sources using thick film elements. He designed power drivers to increase source life and optics to maximize power output. He ruggedized these sources to make them almost unbreakable and adapted them to many applications such as gas analysis, active infrared motion detection, and many others. This work included studies of high-speed temperature measurement and micro-miniature temperature measurement and generation. He has patents in this area.

Over the past five years, Expert designed and developed gas analyzers to monitor pollution, auto gas emissions, blood gas, and respiratory gases including CO2. His activity generated several patents on CO2 sensors including infrared source and detection techniques. This work has evolved into flow sensing, oxygen sensing, and metabolic and cardiac output monitoring. He also worked on pulse oximetry.

Expert spent the last 20 years designing, building, and consulting on electro-optics. He built one of the first single-mode diode laser systems. He designed laser cooling systems, drive electronics, optics and mechanical monitoring. He designed imaging systems, hybrid photo detectors, laser scanners, digital image processing, infrared detectors, gas lasers, and YAG lasers. Recently, Expert worked for two years on the development of an electric toothbrush and related oral hygiene devices.

Expert is currently working in the area of remote sensing for applications such as satellite imaging, unmanned airborne vehicles (UAVs), and aerial photography. He has access to 20 years of expertise in these areas. Specific applications include environmental monitoring and conservation, land use, forest management, violation monitoring (illegal tree cutting, etc), pollution monitoring, energy conservation, agriculture (crop inventory assessment, precision farming, and yield predictions), mapping, communication equipment siting, civil engineering (construction, planning and damage monitoring), transportation, real estate visualization, weather forecasting, urban planning, tourism, and health monitoring. He is particularly focusing on integration of geographic information systems (GIS) with remote data, including georeferencing and orthorectification. The satellite data comes from visible and infrared band images, from multi-spectral, and soon hyperspectral satellites. Data is also available from SAR (synthetic aperture radar). Expert can also be of help on data analysis and image processing of the satellite data.


bar code


bar coding process


bar-code scanner


bar-code scanning


bar-code printing




printer technology




thermal printer


thermal transfer printer


thermal transfer printing


non-impact printer


non-impact printing


infrared absorption gas analysis


infrared detection system


infrared imaging


infrared radiation detection


infrared generation


gas analysis


gas analyzer


carbon dioxide


carbon dioxide sensor




oxygen measurement


oxygen sensor


respiratory gas analyzer




optoelectronics science


remote sensing



Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Seattle, Washington;  Tacoma, Washington;  Bellevue, Washington;  Everett, Washington;  Federal Way, Washington;  Kent, Washington;  Bellingham, Washington;  Lakewood, Washington;  and Renton, Washington.

Often requested
with this expert:

Physical Asset Tracking and Audit, Barcode and RFID...
Barcode and RFID Data Collection
Packaging, Packaging Automation, Industrial Marking,...
Image Processing, 2D/ 3D Barcode, OMR, OCR, C++, Java,...

Year   Degree   Subject   Institution  
1979   Ph.D.   Physics   University of Washington  
1975   M.S.   Physics   University of Washington  
1972   B.S.   Physics   University of Washington  

Work History:
Years   Employer   Department   Title  

2006 to 2009


Intermec, inc.


Handheld Computers


Senior Program Manager


2005 to 2006





Director of Systems Engineering


2003 to 2005




Light Sources


Light Source Manager


1998 to 2003




Novametrix Hospital Division


Director of Research


1979 to 2002


Independent Consultant




1996 to 1998


Optiva Corporation



Director of Research and Development


1987 to 1996


Cascadia Technology



Director of Engineering


1979 to 1987


Intermec, Inc.


Bar Code Optics Systems & Printers


Engineering Manager


Career Accomplishments:

Expert belongs to the American Physical Society, the Society of Photographic Scientists and Engineers, and the Optical Society of America.



Professional Appointments

Expert is listed in the Marquis International Who's Who in Optical Science and Engineering and in Who's Who in Technology.

Publications and Patents Summary

He has 14 patents related to bar code equipment, electro-optics, medical equipment, thermal paper and printing, and energy transfer.

Consulting Services:
Recent Client Requests:
  • Barcode expert for consulting on Applying and reading bar code on hard clear plastic.
  • Expert for consulting on variable photo readable graphics.
  • Expert in bar code laser scanner detector circuit for consulting on Barcode Primer.
  • Expert for consulting on Consumer inventory management.
  • Aerodynamics expert for consulting on inserter binding application for magazine production.
  • Bar code expert for consulting on liquor code not working.
  • Bar-coding systems expert for consulting on developing a system that is functional and can be integrated with an ERP system.
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:
Worked for Susman Godfrey on a patent litigation case involving bar code printers and scanners, electro-optics, thermal and other non-impact printing, thermal paper chemistry, and software algorithms. They stated that Expert was very effective at sorting through vast amounts of information to find key pieces that were very helpful to the case. They also said that Expert had an excellent grasp of the case providing very valuable insights.
Recent Litigation Client Requests:
  • Expert for consulting on computer paper properties.
  • Laser printer expert for consulting on laser printing process.
  • Expert in thermal paper for consulting on bar coding and thermal printing patent infringement case.
  • Expert for consulting on Bar code technology.
  • Expert on bar coding for consulting on bar coding.
  • Expert in printer feed mechanism for consulting on an ongoing patent litigation.
  • Thermal printer expert for consulting on patent case.
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.

Language Skills:
Foreign Language   Description
French   Expert can speak, read, and write French.
Spanish   He can speak, read, and write Spanish.
Japanese   Expert can speak Japanese.

Additional Skills and Services:
Supplier and Vendor Location and Selection

Expert has experience locating vendors of non-impact printers, ink jet printers, thermal and thermal-transfer printers, laser printers, laser scanners, bar code readers, and electro-optical components and bar code equipment. He has access to the following resources: printed materials, vendor lists, magazine articles, and databases, and has many personal contacts.


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