Growing community of inventors

Daegu, South Korea

Ik Whang Chang

Average Co-Inventor Count = 4.00

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 = 0

Ik Whang Chang ↔ Ju-Hyung Lee (1 patent)Ik Whang Chang ↔ Suk-Won Cha (1 patent)Ik Whang Chang ↔ Jong Won Choi (1 patent)Ik Whang ChangIk Whang Chang (1 patent)Ju-Hyung LeeJu-Hyung Lee (13 patents)Suk-Won ChaSuk-Won Cha (6 patents)Jong Won ChoiJong Won Choi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Xfc Inc. (1 from 2 patents)


1 patent:

1. 8895199 - Fuel cell system using hydrogen from electrolyzer of sea water

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as of
12/10/2025
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