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For the Inventor, By the Inventor

El Segundo, CA, United States of America

Efficient Power Conversion Corporation


USPTO Granted Patents = 66


Trademarks = 1

Forward Citations = 213

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37 inventors (with patents filed for the assignee):

goldMedal Jianjun Cao (30 out of 58 patents)

silverMedal Michael Andrew De Rooij (28 out of 50 patents)

bronzeMedal Robert A Beach (24 out of 78 patents)

4.  Alexander Lidow (23 out of 23 patents)

5.  Alana Nakata (21 out of 22 patents)

6.  Edward Lee (14 out of 14 patents)

7.  Ravi Ananth (13 out of 16 patents)

8.  Michael Chapman (12 out of 12 patents)

9.  Guangyuan Zhao (12 out of 12 patents)

10.  Robert Strittmatter (12 out of 12 patents)

11.  Johan Tjeerd Strydom (11 out of 38 patents)

12.  David C Reusch (9 out of 9 patents)

13.  Chunhua Zhou (9 out of 9 patents)

14.  Seshadri Kolluri (9 out of 12 patents)

15.  John Stanley Glaser (9 out of 51 patents)


Core Competencies:
GaN FET
Power Devices
Integrated Circuit
Bootstrapping Drivers
Wireless Power Systems
Current Pulse Generator
High Efficiency Converters
Voltage Mode Class D
Level Shifter
Semiconductor Devices
Gate Driver IC
Power Factor Correction

66 patents:

1. 12463638 - Driver circuit for GaN FET solid state relay (2025-11-04),
2. 12463634 - Synchronizing turn-on/turn-off times of parallel power FETs (2025-11-04),
3. 12463632 - Integrated circuit for gate overvoltage protection of power devices (2025-11-04),
4. 12431874 - Integrated GaN-based logic level translator (2025-09-30),
5. 12355435 - Universal power FET driver IC architecture (2025-07-08),
6. 12261168 - Gate metal-insulator-field plate metal integrated circuit capacitor and method of forming the same (2025-03-25),
7. 12218593 - Half-bridge circuits with symmetrical layout of parallel transistors and capacitors (2025-02-04),
8. 12206391 - Pre-driven bootstrapping drivers (2025-01-21),
9. 12149232 - Multi-voltage bootstrapping drivers (2024-11-19),
10. 12113524 - Active bootstrapping drivers (2024-10-08),
11. 11687110 - Multi-channel pulse current generator with charging (2023-06-27),
12. 11646656 - Multi-level converter with voltage divider for pre-charging flying capacitor (2023-05-09),
13. 11496134 - Differential activated latch for GaN based level shifter (2022-11-08),
14. 11121245 - Field plate structures with patterned surface passivation layers and methods for manufacturing thereof (2021-09-14),
15. 11101349 - Lateral power device with reduced on-resistance (2021-08-24),
Efficient Power Conversion Corporation (EPC) is a leading provider of gallium nitride (GaN)-based power management technology. The company designs, develops, and manufactures efficient power devices and integrated circuits that enable significant energy savings in various applications, including consumer electronics, renewable energy systems, automotive, and industrial technologies.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

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66 Patents

#10 in El Segundo, CA

#1,253 in California

#5,290 in US

#10,725 in the World

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El Segundo, CA, United States of America

Efficient Power Conversion Corporation

Forward Citations = 213

37 inventors:

goldMedal Jianjun Cao (30 out of 58 patents)

silverMedal Michael Andrew De Rooij (28 out of 50 patents)

bronzeMedal Robert A Beach (24 out of 78 patents)

4.  Alexander Lidow (23 out of 23 patents)

5.  Alana Nakata (21 out of 22 patents)

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