Growing community of inventors

Seoul, South Korea

Hoo Sung Chang

Average Co-Inventor Count = 1.00

ph-index = NA

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

Hoo Sung Chang ↔ Il Sun Ryu (0 patent)Hoo Sung ChangHoo Sung Chang (0 patent)Il Sun RyuIl Sun Ryu (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Youil Corporation Co., Ltd. (2 patents)


0 patent:

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as of
12/16/2025
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