Growing community of inventors

Taipei, Taiwan

Shih Yu Chang

Average Co-Inventor Count = 3.00

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 = 25

Shih Yu ChangChung-Hsien Kuo (4 patents)Shih Yu ChangJer Hong Lin (2 patents)Shih Yu ChangChia Hsien Lin (2 patents)Shih Yu ChangChia-Hsien Lin (1 patent)Shih Yu ChangShih Yu Chang (4 patents)Chung-Hsien KuoChung-Hsien Kuo (36 patents)Jer Hong LinJer Hong Lin (13 patents)Chia Hsien LinChia Hsien Lin (3 patents)Chia-Hsien LinChia-Hsien Lin (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chaw Khong Technology Co., Ltd. (4 from 66 patents)


4 patents:

1. 7370740 - Retractable luggage handle with dampish extending speed

2. 7232019 - Seamless handle grip of luggage

3. 6857511 - Single handle rod based retractable handle assembly for wheeled luggage

4. 6830135 - Handle assembly having a single handle rod of wheeled luggage

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as of
1/3/2026
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