Growing community of inventors

Taipei, Taiwan

Chiao-Hao 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

Chiao-Hao ChangTzu-Feng Tseng (1 patent)Chiao-Hao ChangSung-Ching Lin (1 patent)Chiao-Hao ChangChiao-Hao Chang (1 patent)Tzu-Feng TsengTzu-Feng Tseng (9 patents)Sung-Ching LinSung-Ching Lin (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. International Currency Technologies Corporation (1 from 69 patents)


1 patent:

1. 8517808 - Coin hopper with an upward coin passage

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as of
12/6/2025
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