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Hsinchu, Taiwan

Grenergy Opto Inc.

USPTO Granted Patents = 31

% Expired Patents = 25.8

Forward Citations = 74

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25 inventors (with patents filed for the assignee):

Yen-Hui Wang (12 out of 28 patents)

Chia-Chieh Hung (10 out of 15 patents)

Ko-Ming Lin (9 out of 9 patents)

4. Yen-Ping Wang (7 out of 68 patents)

5. Pei-Yuan Chen (6 out of 19 patents)

6. Wei-Chuan Su (6 out of 13 patents)

7. Chi-Hao Wu (6 out of 6 patents)

8. Yi-Lun Shen (4 out of 22 patents)

9. Chin-Yen Lin (4 out of 11 patents)

10. Jian-Shen Li (4 out of 5 patents)

11. Yu-Yun Huang (3 out of 10 patents)

12. Ren-Yi Chen (2 out of 19 patents)

13. Chun-Liang Lin (2 out of 35 patents)

14. Huang-Chi Lin (2 out of 2 patents)

15. Ko-Yen Lee (2 out of 6 patents)

31 patents: Sort by Forward Citations

1. 9431911 - Switching mode power supply capable of providing a block time in response to an output current (2016-08-30),

2. 9209696 - Switching mode power supply capable of achieving soft transition for valley switching, or performing valley locking (2015-12-08),

3. 9190918 - Controllers and related control methods for generating signals representing an output current to a load in a switched mode power supply (2015-11-17),

4. 9148013 - Control methods for over voltage protection and relevant power controllers (2015-09-29),

5. 9112418 - Controller for a switched mode power supply having an integrated circuit with multifunction pin (2015-08-18),

6. 8988905 - PWM controller detecting temperature and AC line via a single pin and power converter using same (2015-03-24),

7. 8964417 - Power controllers and control methods suitable for operating a switched mode power supply in quasi-resonant mode (2015-02-24),

8. 8659271 - Fixed-on-time controller utilizing an adaptive saw signal for discontinuous mode PFC power conversion (2014-02-25),

9. 8450940 - Gas-discharge lamp controller utilizing a novel preheating phase control mechanism (2013-05-28),

10. 8314515 - System corrected programmable integrated circuit (2012-11-20),

11. 8305047 - Safety capacitor discharging method and apparatus for AC-to-DC converters (2012-11-06),

12. 8264184 - Low-pin count fan speed control system and a method thereof (2012-09-11),

13. 8253350 - Open loop LED driving circuit (2012-08-28),

14. 8217583 - Gas-discharge lamp controller utilizing a novel reheating frequency generation mechanism (2012-07-10),

15. 8203812 - Secondary side protection method and apparatus for a switching power converter (2012-06-19),

GRENERGY OPTO INC. is a leading company in the field of Optoelectronics that specializes in providing innovative and energy-efficient LED lighting solutions. With cutting-edge technology and a strong commitment to sustainability, GRENERGY OPTO offers a wide range of high-quality LED products for various applications including residential, commercial, industrial, and outdoor lighting. Our team of experienced professionals strives for excellence in design, manufacturing, and customer service to meet the ever-changing demands of the LED lighting industry. Visit our website to explore our products and learn how GRENERGY OPTO is revolutionizing the future of lighting.

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

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USPTO Data Jan 1 1976 - Sep 22 2026

31 Patents

#130 in Hsinchu

#570 in Taiwan

#21,205 in the World

Hsinchu, Taiwan

Grenergy Opto Inc.

Forward Citations = 74

25 inventors:

Yen-Hui Wang (12 out of 28 patents)

Chia-Chieh Hung (10 out of 15 patents)

Ko-Ming Lin (9 out of 9 patents)

4. Yen-Ping Wang (7 out of 68 patents)

5. Pei-Yuan Chen (6 out of 19 patents)

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