For the Inventor, By the Inventor

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Chupei City, Hsinchu County, Taiwan

Logah Technology Corp.

USPTO Granted Patents = 21

Forward Citations = 40

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15 inventors (with patents filed for the assignee):

Cheng-Chia Hsu (17 out of 19 patents)

Teng-Kang Chang (12 out of 13 patents)

Yu-Cheng Pan (7 out of 15 patents)

4. Yun-Ching Wu (5 out of 5 patents)

5. Yung-Chin Chou (5 out of 5 patents)

6. Ho-Wen Chen (2 out of 3 patents)

7. Teng-Ho Wu (2 out of 3 patents)

8. Pao-Hung Lin (1 out of 1 patent)

9. Wei-Chun Yeh (1 out of 1 patent)

10. Chih-Ping Lu (1 out of 1 patent)

11. Chih-Shen Chiang (1 out of 1 patent)

12. Cheng Chia Hsu (1 out of 1 patent)

13. Teng Kang Chang (1 out of 1 patent)

14. Chia-Yuan Chen (1 out of 1 patent)

15. Jong-Chi Tseng (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 8378962 - LCD backlight driving device with an isolating transformer (2013-02-19),

2. 8363434 - Interleaved bridgeless power factor corrector and controlling method thereof (2013-01-29),

3. 8093829 - Lamp driving device with open voltage control (2012-01-10),

4. 7893805 - Transformer (2011-02-22),

5. 7884796 - Lamp driving structure for backlight module (2011-02-08),

6. 7834559 - Lamp circuit of liquid crystal device backlight source (2010-11-16),

7. 7741789 - Locked phase active power current control circuit (2010-06-22),

8. 7675243 - Two-end driven lamp controlling device (2010-03-09),

9. 7639111 - High voltage transformer for backlight power source (2009-12-29),

10. 7612644 - Winding structure of a transformer (2009-11-03),

11. 7612643 - Winding structure of a transformer (2009-11-03),

12. 7612642 - Winding structure of a transformer (2009-11-03),

13. 7579936 - Choke transformer used in liquid crystal display backlight driver (2009-08-25),

14. 7538651 - Winding structure of a transformer (2009-05-26),

15. 7425139 - Fixation structure for fixing a lamp on a printed circuit board (2008-09-16),

Logah Technology Corp. is a leading technology company specializing in providing innovative software solutions. With a focus on digital transformation, Logah Technology offers a wide range of services including software development, data analytics, and cloud computing. Our team of experienced professionals is dedicated to delivering cutting-edge solutions that drive business growth and enhance operational efficiency. Visit our website to explore our services and discover how Logah Technology can help your organization thrive in the digital age.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

21 Patents

#1 in Chupei City, Hsinchu County

#768 in Taiwan

#29,052 in the World

Chupei City, Hsinchu County, Taiwan

Logah Technology Corp.

Forward Citations = 40

15 inventors:

Cheng-Chia Hsu (17 out of 19 patents)

Teng-Kang Chang (12 out of 13 patents)

Yu-Cheng Pan (7 out of 15 patents)

4. Yun-Ching Wu (5 out of 5 patents)

5. Yung-Chin Chou (5 out of 5 patents)

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