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For the Inventor, By the Inventor

Palo Alto, CA, United States of America

James Terrell Walker

This inventor holds 25 USPTO granted patents, primarily in Power Conversion Technology. Top assignees: Supertex, Inc., Amfit, Inc., Microchip Technology Inc.. Active years: 1978-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Terrell Walker. Retrieved from https://idiyas.com/inventor/james-terrell-walker

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 25

% Patents Active = 84.0

Average Co-Inventor Count = 1.4

ph-index = 8

Forward Citations = 558(Granted Patents)


Company Filing History:

goldMedal9 out of 78 
 
Supertex, Inc.
 patents
silverMedal4 out of 24 
 
Amfit, Inc.
 patents
bronzeMedal4 out of 1,446 
 
Microchip Technology Inc.
 patents
4. 3 out of 11 
 
Cromemco Inc.
 patents
5. 2 out of 2 
 
Piradian, Inc.
 patents
6. 1 out of 1 
 
Analytek, Ltd.
 patent
7. 2 out of 834,570 
Other
 patents

Years Active: 1978-2017

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Areas of Expertise:
Power Converter
LED Control Circuit
High-Speed Logic
Electrostatic Sensor
Dimmable Driver
Digital Image Processing
Analog Storage Circuit
Optical Digitizer
Capacitive Loads
Current Driver
Phase Shift Circuit
Image Overlay
25 patents (USPTO):Explore Patents
1. 9837889 - Power converter with inductance invariance (2017-12-05),
2. 9621149 - Bootstrapped switch with a highly linearized resistance (2017-04-11),
3. 9246378 - Method and apparatus for extending the power output range of a power converter used for a lighting system (2016-01-26),
4. 9100008 - Bootstrapped switch with a highly linearized resistance (2015-08-04),
5. 8963430 - Circuit for detection and control of LED string operation (2015-02-24),
6. 8558598 - Phase shift generating circuit (2013-10-15),
7. 8378689 - Electrostatic sensor device and matrix (2013-02-19),
8. 8154898 - Current driven bipolar high voltage driver for capacitive loads (2012-04-10),
9. 7659756 - MOSFET transistor amplifier with controlled output current (2010-02-09),
10. 7564263 - High-speed logic signal level shifter (2009-07-21),
11. 7554378 - Fast DC coupled level translator (2009-06-30),
12. 7538581 - Fast AC coupled level translator (2009-05-26),
13. 7480191 - High speed logic level shifter (2009-01-20),
14. 7019529 - Electrostatic sensor device and matrix (2006-03-28),
15. 6920188 - Method and apparatus for processing a multiple-component wide dynamic range signal (2005-07-19),

Title: The Innovative Mind of James Terrell Walker

Introduction: James Terrell Walker is a visionary inventor based in Palo Alto, California, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: James Terrell Walker holds several patents in the areas of artificial intelligence, renewable energy, and biotechnology, showcasing his diverse range of expertise and creativity.

Career Highlights: With a career spanning over two decades, James Terrell Walker has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, James Terrell Walker has collaborated with top scientists, engineers, and researchers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: James Terrell Walker's passion for innovation and relentless pursuit of knowledge continue to inspire the next generation of inventors and entrepreneurs, making him a true pioneer in the world of technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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