Growing community of inventors

Hsinchu, Taiwan

Yun-Ya Chang

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 2

Yun-Ya Chang ↔ Yao-Ning Chan (2 patents)Yun-Ya Chang ↔ Tzu-Yun Feng (2 patents)Yun-Ya ChangYun-Ya Chang (2 patents)Yao-Ning ChanYao-Ning Chan (20 patents)Tzu-Yun FengTzu-Yun Feng (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Epistar Corporation (2 from 1,223 patents)


2 patents:

1. D1040117 - Light-emitting diode device

2. D1008198 - Light-emitting diode device

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/3/2026
Loading…