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Tortola, Virgin Islands, British

Active-Semi, Inc.

USPTO Granted Patents = 118

% Expired Patents = 0.85

Trademarks = 5

Forward Citations = 827

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45 inventors (with patents filed for the assignee):

Steven Huynh (61 out of 68 patents)

David J Kunst (33 out of 55 patents)

Matthew Alan Grant (22 out of 24 patents)

4. Zhibo Tao (12 out of 28 patents)

5. Gary Michael Hurtz (10 out of 14 patents)

6. John H Carpenter, Jr (8 out of 8 patents)

7. Hue Khac Trinh (7 out of 8 patents)

8. Hiroshi Watanabe (7 out of 119 patents)

9. Masashi Nogawa (6 out of 13 patents)

10. Brett E Smith (6 out of 58 patents)

11. Trey Roessig (6 out of 25 patents)

12. Hong Mao (6 out of 6 patents)

13. Marc David Sousa (5 out of 6 patents)

14. Richard Landry Gray (5 out of 42 patents)

15. Narasimhan Trichy (5 out of 10 patents)

Core Competencies:

Resonant Charge Pump

Gate Driver

Power Loss Protection

Integrated Circuit

DC-to-DC Converter

Inductive Charging

Current Sensing

Modular Design

LED Driver

Wireless Power

Buck-Boost Converter

Adaptive Power Source

118 patents: Sort by Forward Citations

1. 11984804 - Resonant charge pump circuit (2024-05-14),

2. 11940776 - Methods and apparatus for detecting aging and predicting failures in BLDC and PMSM motors (2024-03-26),

3. 11385904 - Methods and apparatus for selecting operating modes in a device (2022-07-12),

4. 11385621 - Methods and apparatus for detecting aging and predicting failures in BLDC and PMSM motors (2022-07-12),

5. 11381163 - Resonant charge pump circuit with synchronized switching (2022-07-05),

6. 11139737 - Regulator control integrated circuit having COT and valley current modes (2021-10-05),

7. 11002772 - Using PCB temperature compensation trace to perform DCR current sensing in power supply circuitry (2021-05-11),

8. 10992173 - Optimized gate driver for low voltage power loss protection system (2021-04-27),

9. 10985644 - Optimized gate driver for low voltage power loss protection system (2021-04-20),

10. 10826480 - Gate driver to decrease EMI with shorter dead-time (2020-11-03),

11. 10770894 - Fast settlement of supplement converter for power loss protection system (2020-09-08),

12. 10768244 - Power loss protection integrated circuit with autonomous capacitor health check (2020-09-08),

13. 10418809 - Power management integrated circuit for driving inductive loads (2019-09-17),

14. 10411723 - Dynamic triggering and sampling engine (DTSE) for low-latency and cost effective control systems (2019-09-10),

15. 10411506 - Quality of charge detector for use in inductive charging systems (2019-09-10),

Active-Semi, Inc. specializes in advanced power management circuits, focusing on innovative solutions for energy efficiency and performance. The company develops technologies such as resonant charge pumps, gate drivers, and DC-to-DC converters, which are integral to modern electronic devices. Their expertise extends to inductive charging and current sensing, enabling modular designs that enhance system integration. Headquartered in Tortola, VG, Active-Semi is committed to delivering cutting-edge integrated circuit solutions for diverse applications.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Active-Semi, Inc.

118 Patents

#6 in Tortola

#6 in Virgin Islands, British

#6,730 in the World

Tortola, Virgin Islands, British

Active-Semi, Inc.

Forward Citations = 827

45 inventors:

Steven Huynh (61 out of 68 patents)

David J Kunst (33 out of 55 patents)

Matthew Alan Grant (22 out of 24 patents)

4. Zhibo Tao (12 out of 28 patents)

5. Gary Michael Hurtz (10 out of 14 patents)

Please report any incorrect information to [email protected]

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