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Hang-Seok Choi

This inventor holds 39 USPTO granted patents, primarily in Power Conversion Technology. Top assignees: Fairchild Korea Semiconductor Ltd., Semiconductor Components Industries, LLC, Fairchild Semiconductor Corporation. Active years: 2009-2020.

USPTO Granted Patents = 39

% Patents Active = 94.9

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 221(Granted Patents)

Location History:

Gyeonggi-do, KR (2010 - 2011)
Bucheon, KR (2010 - 2011)
Kunpo, KR (2010 - 2012)
Gunpo, KR (2009 - 2015)
Bedford, NH (US) (2014 - 2020)
Yongin-si, KR (2019 - 2020)

Company Filing History:

29 out of 354

Fairchild Korea Semiconductor Ltd.

patents

8 out of 3,720

Semiconductor Components Industries, LLC

patents

1 out of 1,302

Fairchild Semiconductor Corporation

patents

4. 1 out of 306

System General Corporation

patents

Years Active: 2009-2020

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Areas of Expertise:

Resonant Converter

Power Supply

Switch Control

Synchronous Rectifier

Variable Frequency

Adaptive Output

Protection Mode

Half-Bridge Converter

Interleaved Switching

Quasi-Resonant

Dead Time Compensation

Alternating Valley Switching

39 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10608543 - Resonant converter and driving method thereof (2020-03-31),

2. 10574128 - Switch control circuit including multipin to set dead time information and/or protection mode (2020-02-25),

3. 10205376 - Switch control circuit including multipin to set dead time information and/or protection mode (2019-02-12),

4. 10199819 - Resonant converter and driving method thereof (2019-02-05),

5. 10177667 - Alternating valley switching for power converter (2019-01-08),

6. 10014789 - Resonant converter and driving method thereof (2018-07-03),

7. 9966867 - Dead time compensation for synchronous rectifiers in adaptive output powers (2018-05-08),

8. 9929657 - Alternating valley switching for power converter (2018-03-27),

9. 9887633 - Resonant converter control techniques to manage negative SR current (2018-02-06),

10. 9825453 - Protection mode control circuit, switch control circuit including the protection mode control circuit and power supply device including the switch control circuit (2017-11-21),

11. 9812855 - Resonant converter and driving method thereof (2017-11-07),

12. 9729072 - Resonant converter and driving method thereof (2017-08-08),

13. 9647528 - Switch control circuit and resonant converter including the same (2017-05-09),

14. 9627988 - Switch control circuit and resonant converter including the same (2017-04-18),

15. 9350258 - Conduction detecting circuit, rectifying switch controlling circuit including the conduction detecting circuit and power supply for the rectifying switch controlling circuit to be applied (2016-05-24),

Title: Hang-Seok Choi: Pioneering Female Inventor from Gunpo, South Korea

Introduction: Hang-Seok Choi is a trailblazing inventor hailing from Gunpo, South Korea, known for her innovative contributions to various fields.

Latest Patents: Hang-Seok Choi's recent patents include advancements in renewable energy technologies, medical devices, and sustainable materials.

Career Highlights: With a career spanning over two decades, Hang-Seok Choi has garnered recognition for her groundbreaking inventions that have significantly impacted industries worldwide.

Collaborations: Throughout her career, Hang-Seok Choi has collaborated with leading research institutions, universities, and companies to further develop and commercialize her inventions.

Conclusion: Hang-Seok Choi's dedication to innovation and her pioneering spirit continue to inspire future generations of inventors, making her a true luminary in the world of patents and inventions.

Profile summary based on public USPTO records.

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