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Shenzhen, China

Huayuan Semiconductor (Shenzhen) Limited Company

USPTO Granted Patents = 22

Forward Citations = 28

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19 inventors (with patents filed for the assignee):

Junjie Zheng (16 out of 53 patents)

Richard Landry Gray (15 out of 42 patents)

Chih-Chang Wei (12 out of 12 patents)

4. Li-Lun Chi (6 out of 8 patents)

5. Jyun-Long Lin (5 out of 5 patents)

6. Richard M Myers (4 out of 13 patents)

7. Liang Yan (4 out of 32 patents)

8. Ping-Yuan Lin (3 out of 3 patents)

9. Yung-Ting Chen (3 out of 3 patents)

10. Chunming Guo (3 out of 4 patents)

11. Lilun Chi (2 out of 2 patents)

12. Wanfeng Zhang (2 out of 58 patents)

13. Chenglong Zhang (2 out of 3 patents)

14. Jinho Choi (1 out of 35 patents)

15. Weiguang Qiu (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 11843314 - PFC circuit with auxiliary switch tube and control method thereof (2023-12-12),

2. 11837950 - Switching power supply and electronic device (2023-12-05),

3. 11626804 - Power converter, method for driving switching transistors and a power supply system thereof (2023-04-11),

4. 11436970 - Addressing and redundancy schemes for distributed driver circuits in a display device (2022-09-06),

5. 11411503 - Voltage sensing of an active clamp switching power converter circuit using an auxiliary winding having a same polarity as a primary winding (2022-08-09),

6. 11403998 - Display device with selectable LED current levels based on brightness data (2022-08-02),

7. 11393389 - Power line communication driver circuit (2022-07-19),

8. 11308890 - Power line communication signal detector (2022-04-19),

9. 11289011 - Power line communication in a display device with distributed driver circuits (2022-03-29),

10. 11276345 - Display device with feedback via parallel connections from distributed driver circuits to a single wire interface (2022-03-15),

11. 11270633 - Skewing drive times of LED zones in a display device with distributed driver circuits (2022-03-08),

12. 11257421 - Display device with single package light emitting diode and driver circuit (2022-02-22),

13. 11250771 - Display device with distributed arrays of driver circuits and sensors (2022-02-15),

14. 11239740 - Voltage sensing of an active clamp switching power converter circuit using auxiliary winding having an opposite polarity as a primary winding (2022-02-01),

15. 11217153 - Display device with distributed driver circuits and shared multi-wire communication interface for dimming data (2022-01-04),

Huayuan Semiconductor (Shenzhen) Limited Company is a leading semiconductor company specializing in the design, development, and manufacturing of high-performance integrated circuits. With advanced technology and a strong focus on innovation, we provide solutions for various industries, including consumer electronics, telecommunications, automotive, and industrial applications. Our team of experienced engineers and dedicated professionals strive to deliver cutting-edge products that meet the ever-evolving demands of the market.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

22 Patents

#151 in Shenzhen

#1,199 in China

#27,905 in the World

Shenzhen, China

Huayuan Semiconductor (Shenzhen) Limited Company

Forward Citations = 28

19 inventors:

Junjie Zheng (16 out of 53 patents)

Richard Landry Gray (15 out of 42 patents)

Chih-Chang Wei (12 out of 12 patents)

4. Li-Lun Chi (6 out of 8 patents)

5. Jyun-Long Lin (5 out of 5 patents)

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