Growing community of inventors

Taichung, Taiwan

Yung-I Chang

Average Co-Inventor Count = 2.40

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 = 0

Yung-I ChangTsung-Hsien Tsai (1 patent)Yung-I ChangSheng-Jui Chao (1 patent)Yung-I ChangYing-Chang Chen (1 patent)Yung-I ChangPo-Song Kao (1 patent)Yung-I ChangEn-Tzu Cheng (1 patent)Yung-I ChangYung-I Chang (3 patents)Tsung-Hsien TsaiTsung-Hsien Tsai (24 patents)Sheng-Jui ChaoSheng-Jui Chao (10 patents)Ying-Chang ChenYing-Chang Chen (2 patents)Po-Song KaoPo-Song Kao (1 patent)En-Tzu ChengEn-Tzu Cheng (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asia Optical Co., Ltd. (2 from 486 patents)

2. Advantek Health Tech Co., Ltd. (1 from 2 patents)


3 patents:

1. 10821315 - Magnetron mechanism of unpowered treadmill

2. 7549219 - Automatic assembling system and method for camera lens units

3. 7293978 - Device for forming high precision optical lens and the product made by the device

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as of
12/12/2025
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