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For the Inventor, By the Inventor

Zhubei, Taiwan

Richtek Technology Corpoation


USPTO Granted Patents = 3

Forward Citations = 9

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7 inventors (with patents filed for the assignee):

goldMedal Kuo-Chi Liu (1 out of 55 patents)

silverMedal Ta-Yung Yang (1 out of 300 patents)

bronzeMedal Jwin-Yen Guo (1 out of 14 patents)

4.  Liang-Pin Tai (1 out of 45 patents)

5.  Ching-Hsiang Yang (1 out of 10 patents)

6.  Tsai-Fu Chang (1 out of 5 patents)

7.  Chung-Lung Pai (1 out of 38 patents)


3 patents:

1. 11601048 - Resonant switching power converter (2023-03-07),
2. 8159294 - Multi-voltage headphone drive circuit (2012-04-17),
3. 7498792 - Pulse modulation system with nonlinear ramp (2009-03-03),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#43 in Zhubei

#3,195 in Taiwan

...
Zhubei, Taiwan

Richtek Technology Corpoation

Forward Citations = 9

7 inventors:

goldMedal Kuo-Chi Liu (1 out of 55 patents)

silverMedal Ta-Yung Yang (1 out of 300 patents)

bronzeMedal Jwin-Yen Guo (1 out of 14 patents)

4.  Liang-Pin Tai (1 out of 45 patents)

5.  Ching-Hsiang Yang (1 out of 10 patents)

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