Growing community of inventors

Hsin Chu, Taiwan

Henry P Ngai

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 7

Henry P NgaiYuh-Shuan Chang (1 patent)Henry P NgaiCheng-Chien Chung (1 patent)Henry P NgaiFwu-Tsair Chang (1 patent)Henry P NgaiHenry P Ngai (2 patents)Yuh-Shuan ChangYuh-Shuan Chang (2 patents)Cheng-Chien ChungCheng-Chien Chung (1 patent)Fwu-Tsair ChangFwu-Tsair Chang (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. D-link Corporation (2 from 117 patents)


2 patents:

1. 5755821 - Device for preventing the erroneous connection of signal lines to a

2. 5530653 - Method of automatically detecting and setting stack type network system

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12/24/2025
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