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Richtek Technology Corporation, R.o.c

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USPTO Granted Patents = 68

% Expired Patents = 38.2

Forward Citations = 187

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77 inventors (with patents filed for the assignee):

Tsung-Yi Huang (25 out of 106 patents)

Jing-Meng Liu (17 out of 108 patents)

Huan-Ping Chu (9 out of 10 patents)

4. Hung-Der Su (9 out of 54 patents)

5. Chien-Hao Huang (7 out of 15 patents)

6. Ching-Yao Yang (6 out of 13 patents)

7. Nien-Hui Kung (5 out of 51 patents)

8. Pei-Cheng Huang (4 out of 13 patents)

9. Chien-Wei Chiu (4 out of 27 patents)

10. Chia-Wei Liao (4 out of 14 patents)

11. Chih-Fang Huang (3 out of 14 patents)

12. Isaac Y Chen (3 out of 101 patents)

13. Kwan-Jen Chu (3 out of 54 patents)

14. An-Tung Chen (3 out of 40 patents)

15. Chiawei Liao (3 out of 19 patents)

Core Competencies:

High Voltage Device

Power Supply Circuit

Light Emitting Device

Analog Photovoltaic Circuit

Switching Regulator

Charger Circuit

Transient Voltage Suppressor

Dimming Control Circuit

Integrated PMOS Transistor

Multi-Phase Converter

Schottky Diode

Micro-Electro-Mechanical System

68 patents: Sort by Forward Citations

1. 9627524 - High voltage metal oxide semiconductor device and method for making same (2017-04-18),

2. 9362257 - Mirco-electro-mechanical system module and manufacturing method thereof (2016-06-07),

3. 9337716 - Power supply circuit with PFC function, and automatic gain control circuit therefor and control method thereof (2016-05-10),

4. 9306443 - Analog photovoltaic power circuit with auto zero calibration (2016-04-05),

5. 9287796 - Isolated power converter circuit and control method thereof (2016-03-15),

6. 9117901 - High voltage device and manufacturing method thereof (2015-08-25),

7. 9105757 - Junction barrier Schottky diode and manufacturing method thereof (2015-08-11),

8. 9055646 - Light emitting device driver circuit and control method thereof (2015-06-09),

9. 9018703 - Hybrid high voltage device and manufacturing method thereof (2015-04-28),

10. 9018070 - Transient voltage suppressor circuit, and diode device therefor and manufacturing method thereof (2015-04-28),

11. 9012989 - High voltage device and manufacturing method thereof (2015-04-21),

12. 8981429 - High electron mobility transistor and manufacturing method thereof (2015-03-17),

13. 8963237 - High voltage device and manufacturing method thereof (2015-02-24),

14. 8928078 - Double diffused metal oxide semiconductor device and manufacturing method thereof (2015-01-06),

15. 8890485 - Charger circuit (2014-11-18),

Company Overview

Richtek Technology Corporation, based in Zhubei, Taiwan, specializes in high voltage devices and power management solutions. The company focuses on developing advanced technologies such as switching regulators, charger circuits, and transient voltage suppressors. Richtek's expertise extends to light emitting devices and analog photovoltaic circuits, positioning it as a key player in the semiconductor industry. The organization is committed to innovation in power supply circuits and dimming control circuits, catering to a diverse range of applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

68 Patents

#5 in Zhubei

#319 in Taiwan

#10,898 in the World

Richtek Technology Corporation, R.o.c

Forward Citations = 187

77 inventors:

Tsung-Yi Huang (25 out of 106 patents)

Jing-Meng Liu (17 out of 108 patents)

Huan-Ping Chu (9 out of 10 patents)

4. Hung-Der Su (9 out of 54 patents)

5. Chien-Hao Huang (7 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Richtek Technology Corporation, R.o.c. Retrieved from https://idiyas.com/company/richtek-technology-r-o-c

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

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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