Growing community of inventors

Shenzhen, China

Chang-Fa Sun

Average Co-Inventor Count = 6.90

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 102

Chang-Fa SunLei Li (12 patents)Chang-Fa SunPing Chen (12 patents)Chang-Fa SunZhi Feng Cheng (10 patents)Chang-Fa SunLin-Sen Dong (8 patents)Chang-Fa SunXue-Liang Zhai (6 patents)Chang-Fa SunYong-Zhi Tao (3 patents)Chang-Fa SunWen-Quan Xu (3 patents)Chang-Fa SunAi-Ge Sun (2 patents)Chang-Fa SunJi-Wen Yang (2 patents)Chang-Fa SunYan-Hua Xing (2 patents)Chang-Fa SunJian-Gui Wu (2 patents)Chang-Fa SunHong-Yan Li (2 patents)Chang-Fa SunDong Li (1 patent)Chang-Fa SunZhi-Qiang Jiang (1 patent)Chang-Fa SunChun-Ying Wang (1 patent)Chang-Fa SunLi-Ping Huang (1 patent)Chang-Fa SunXian-Cui Du (1 patent)Chang-Fa SunMing-Feng Li (1 patent)Chang-Fa SunYan-Xin Yu (1 patent)Chang-Fa SunLi-Ping Yang (1 patent)Chang-Fa SunLi Chang (1 patent)Chang-Fa SunChang-Fa Sun (12 patents)Lei LiLei Li (55 patents)Ping ChenPing Chen (45 patents)Zhi Feng ChengZhi Feng Cheng (12 patents)Lin-Sen DongLin-Sen Dong (9 patents)Xue-Liang ZhaiXue-Liang Zhai (6 patents)Yong-Zhi TaoYong-Zhi Tao (4 patents)Wen-Quan XuWen-Quan Xu (3 patents)Ai-Ge SunAi-Ge Sun (2 patents)Ji-Wen YangJi-Wen Yang (2 patents)Yan-Hua XingYan-Hua Xing (2 patents)Jian-Gui WuJian-Gui Wu (2 patents)Hong-Yan LiHong-Yan Li (2 patents)Dong LiDong Li (46 patents)Zhi-Qiang JiangZhi-Qiang Jiang (3 patents)Chun-Ying WangChun-Ying Wang (2 patents)Li-Ping HuangLi-Ping Huang (1 patent)Xian-Cui DuXian-Cui Du (1 patent)Ming-Feng LiMing-Feng Li (1 patent)Yan-Xin YuYan-Xin Yu (1 patent)Li-Ping YangLi-Ping Yang (1 patent)Li ChangLi Chang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shenzhen Futaihong Precision Industry Co., Ltd. (12 from 860 patents)

2. Fih (hong Kong) Limited (10 from 1,166 patents)

3. Sutech Trading Limited (1 from 106 patents)

4. Fih (hing Kong) Limted (1 from 1 patent)


12 patents:

1. 8250740 - Method for making an inspection fixture, and mold assembly used in the method

2. 8210510 - Clamping device for portable electronic device

3. 7984561 - Device for determining dimension of a workpiece

4. 7966891 - Fatigue test apparatus for thin element of electronic device

5. 7950130 - Method for making an inspection fixture, and mold assembly used in the method

6. 7848833 - Flexible fixing system for product testing

7. 7798022 - Testing devices for multihole workpiece

8. 7779550 - Micrometer-based measuring system and method of using same

9. 7757566 - Testing system for flip-type electronic device

10. 7743676 - Key testing apparatus

11. 7663359 - Testing mechanism for casings

12. 7428783 - Testing system for flatness and parallelism

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as of
12/24/2025
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