Growing community of inventors

Taipei Hsien, Taiwan

Yung-Chang Yen

Average Co-Inventor Count = 2.14

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 = 23

Yung-Chang YenShi-Xu Liang (2 patents)Yung-Chang YenChih-Chiang Chang (1 patent)Yung-Chang YenQing-Meng Li (1 patent)Yung-Chang YenJun-Lin Chen (1 patent)Yung-Chang YenJin-Lian Chen (1 patent)Yung-Chang YenYung-Chang Yen (5 patents)Shi-Xu LiangShi-Xu Liang (43 patents)Chih-Chiang ChangChih-Chiang Chang (165 patents)Qing-Meng LiQing-Meng Li (5 patents)Jun-Lin ChenJun-Lin Chen (3 patents)Jin-Lian ChenJin-Lian Chen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fih (hong Kong) Limited (5 from 1,166 patents)

2. Shenzhen Futaihong Precision Industry Co., Ltd. (4 from 860 patents)


5 patents:

1. 8373975 - Protective cover, key assembly using the same and portable electronic device using the key assembly

2. 8288671 - Key button structure

3. 8251408 - Battery cover latch mechanism and portable electronic device using same

4. 8244322 - Protective cover mechanism

5. 7698786 - Door hinge pin for portable electronic device

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idiyas.com
as of
12/12/2025
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