Growing community of inventors

Tokyo, Japan

Sugiyama Kiyoshi

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

Sugiyama Kiyoshi ↔ Shudo Koichi (0 patent)Sugiyama KiyoshiSugiyama Kiyoshi (0 patent)Shudo KoichiShudo Koichi (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kemphys Ltd. (12 patents)


0 patent:

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as of
1/9/2026
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