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 Expert  732433

Expert in Lighting, LED Circuits, fluorescent ballast circuits, lighting industry patents

Available for your Consulting and Expert Witness Needs

California (CA)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise:

Listed with other top experts in: 

He has expertise in a wide variety of types of lighting technology and its applications. He is currently the President and Founder of a consulting company that offers services in LED circuits and electronic ballast circuits. He has been instrumental in Inter Partes Reviews which have led to the overturning of 5 lighting electronics patents. He has accumulated 40 hours of time giving testimony in deposition and has given expert witness testimony in ITC court proceedings.

inter partes proceedings


lighting electronics


LED lighting


electronic ballast


electronic ballast circuit


fluorescent ballast


fluorescent lighting system


LED driver


LED driver circuit


LED control


light engine


LED light engine


LED thermal design


lighting control


garden lights


solar lights


solar lighting system


battery-powered LED light


autmotive LED light


color mixing


LED circuit




fluorescent dimming


LED dimming


night light


patent claim construction


inter partes review


LED lantern

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Los Angeles, California;  San Diego, California;  Long Beach, California;  Santa Ana, California;  Anaheim, California;  Riverside, California;  Glendale, California;  Huntington Beach, California;  San Bernardino, California;  and Chula Vista, California.

Year   Degree   Subject   Institution  
1982   MBA   Business Administration   University of Florida  
1969   Ph.D   Physics   Trinity College Cambridge (UK)  
1965   Bachelor's   Physics   University of Birmingham (UK)  

Work History:
Years   Employer   Department   Title   Responsibilities

2012 to


Expert's Firm


Expert's Firm


President and Founder


Expert founded, and currently owns, a consulting company in the field of lighting electronics products, particularly LED drive circuits and electronic ballast circuits.

2011 to 2012


Expert's Firm





Expert operated a three-person laboratory developing LED drive application circuits for the LBT microprocessor chip.

2008 to 2010


Lightech Electronics North America, Inc


Expert's Firm


Chief Technologist


He operated a three-person laboratory developing advanced LED drives for this international company. During this time he developed phase control dimming LED drives capable of dimming to 0.1% using TRIAC dimmers. Expert also developed a dramatically new technology for dimmable constant current LED drives with efficiency of 90%, capable of working at either 120V or 277V. Side responsibilities involved managing the patent portfolio of Lightech internationally. He filed two patent applications during this time.

2004 to 2007


Fulham Co., Inc.


Advanced Technology


Vice President


Expert's responsibilities included the creation of new technologies and development of new products involving innovative technology. Achievements included the creation of the Racehorse family of high-performance products and the creation of a new charge pump technology for cost-effective instant start T8 ballasts, subject of an issued patent as well.

2002 to 2004


Universal Lighting Technologies, Inc.


Engineering; Advanced Technology


Director; Vice President


He worked on the latest analog and digital technology for electronic ballasts. Product focus was on low-cost IC-based products and on sophisticated microprocessor-based products for more complex applications such as dimming and instant start T5. Achievements in this position included a line of microprocessor-based instant start T5 ballasts. Five patents resulted.

2000 to 2002


Robertson Worldwide




Vice President


Expert managed both electronic and magnetic ballast new product development. He invented a new low-cost electronic ballast architecture that still has all the specified features, marketed as the "World Series" ballasts. He also trained engineering staff for modern electronic ballast development and assembled state-of-the-art ballast characterization facilities.

1993 to 2000


Energy Savings, Inc.



Engineering Manager and Chief Technologist


He enabled the development of low-cost, low-profile electronic ballasts. He personally designed and put into manufacture 60 ballasts in his first five years. Later he managed a team of designers and technicians producing ballast designs while personally prototyping the more difficult designs. Expert authored multiple inventions involving microprocessor controlled digital ballasts. Responsibilities in this company included all fundamental technology issues and patent related activities. He developed a new low-cost dimming technology. Shipments rate increased to $40M/yr from zero in 7 years.

1991 to 1993


Motorola Lighting Inc.


Ballast Integrated Circuit Design




Expert worked on novel ballast circuits suitable for integration in silicon. He put three conventional ballast circuits into production.

1987 to 1991


Philips Research




Department Head


He worked on the application of Power IC technology to all products in the Philips family of companies. He worked on analysis of customer needs and specification of Power IC products to meet those needs. He ran a department of 20 producing power IC designs, including chips for Fluorescent Lighting ballasts.

1983 to 1987


Telmos, Inc.




Vice President


Expert developed the first 500V CMOS technology and put numerous high voltage IC chips into production.

1980 to 1983


Harris Semiconductor


High-voltage Integrated Circuit Products




Expert developed high-voltage AC line powered integrated circuits.

1970 to 1980


ATT Bell Laboratories



Technical Staff Member


He conducted research on solid state devices in general and high-voltage integrated circuits in particular. He invented the first 500V IC, for which a prize was awarded at the 1981 International Solid State Circuits Conference. He became group supervisor in 1979.

1969 to 1970


GET Hurst Research Center



Technical Staff Member


Expert conducted research on circuits and structures for microwave avalanche diodes.

Career Accomplishments:

Expert is a member of the Illumination Engineering Society and a senior member of IEEE

Professional Appointments

1986: Expert Chaired the Electrochemical Society Symposium on high-voltage and Smart Power Devices, which has since morphed into the conference series now known as ISPSD.


Expert received a prize from the International Solid State Circuits Conference in February 1980 for paper describing the first 500V solid state crosspoint. He was elected a Senior Life Member of IEEE in 2010. Expert was a speaker on Advanced Technology of LED circuits at "Strategies in Light" 2016

Publications and Patents Summary

Expert has 61 issued patents from the United States Patent and Trademark Office, mostly in the field of lighting electronics. He has 8 publications in refereed journals and 11 other publications.

Selected Publications and Publishers  
 - Expert's Firm  

Consulting Services:
Selected Consulting Examples:
  • Expert provides assistance to Lighting industry inventors to help determine what the invention actually is and hence to draft claims. Expert functions as an expert witness in patent infringement disputes such as district court proceedings, Inter Partes Reviews and ITC proceedings.
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:
 2013 - provided 7 hours of deposition as a witness  2014 Type of matter: Expert Declaration in support of petition for Inter Partes Review Services Provided: Expert witness, Expert Declaration in support of petition for Inter Partes Review of US patent  2015 Type of matter: Expert Declaration in support of petition for Inter Partes Review Services provided: Expert witness, Expert Declaration in support of petition for Inter Partes Review of 4 US patents  2015 – provided 14 hours of deposition as an expert witness  2016 Type of matter: Technical expert adviser Services Provided: Expert Witness. Case was settled out of court In March 2016.  2016 Type of matter: Technical expert adviser  2017 type of matter: Technical expert adviser  2018 type of matter: ITC investigation Provided expert declarations and advice concerning 3 US patents June 2018 provided 16 hours of deposition testimony. Provided expert Testimony in the ITC court August 21st-August 24th 2018.
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.


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