Growing community of inventors

Osaka-shi, Osaka, Japan

Yamakawa Tsutomu

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

Yamakawa Tsutomu ↔ Ogawa Koichi (0 patent)Yamakawa Tsutomu ↔ Katsumata Akitoshi (0 patent)Yamakawa Tsutomu ↔ Tsujita Masahiro (0 patent)Yamakawa Tsutomu ↔ Aoki Hisatoshi (0 patent)Yamakawa TsutomuYamakawa Tsutomu (0 patent)Ogawa KoichiOgawa Koichi (0 patent)Katsumata AkitoshiKatsumata Akitoshi (0 patent)Tsujita MasahiroTsujita Masahiro (0 patent)Aoki HisatoshiAoki Hisatoshi (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Takara Telesystems Corp. (7 patents)


0 patent:

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12/12/2025
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