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Trademarks = 2

Forward Citations = 58

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8 inventors (with patents filed for the assignee):

Kuo-Fan Lin (5 out of 24 patents)

Chien-Li Tsai (2 out of 13 patents)

Allen Cheng (1 out of 1 patent)

4. Shih-An Liang (1 out of 2 patents)

5. Chia-Jung Tang (1 out of 1 patent)

6. Chih-Ming Hu (1 out of 2 patents)

7. Ching-Wen Huang (1 out of 2 patents)

8. Chen-Yu Li (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 7633777 - Active peak voltage-limiting clamp circuit (2009-12-15),

2. 7538592 - Pulse controller with dual latches (2009-05-26),

3. 7508185 - Simple zero current switch circuit (2009-03-24),

4. 7499294 - Self-excitation synchronous rectification driver (2009-03-03),

5. 7375995 - Power factor correction circuit (2008-05-20),

6. 7310247 - Method for controlling transformer excitation cycles and circuit for controlling the same (2007-12-18),

7. 7268658 - Transformer having leakage inductance control structure (2007-09-11),

8. 7168968 - Plug adapter (2007-01-30),

SPI Electronic Co., Ltd. is a leading manufacturer and supplier of electronic components and solutions. With over 20 years of experience in the industry, we specialize in producing high-quality electronic products such as resistors, capacitors, and connectors. Our commitment to innovation and customer satisfaction has helped us build a strong reputation worldwide. Visit our website to learn more about our products and services.

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#7 in Taoyuan Hsien

#1,629 in Taiwan

Taoyuan Hsien, Taiwan

Spi Electronic Co., Ltd.