Growing community of inventors

Nishinomiya, Japan

Fumio Yamamoto

Average Co-Inventor Count = 6.00

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 = 6

Fumio Yamamoto ↔ Akira Ohmori (1 patent)Fumio Yamamoto ↔ Takashi Yasuhara (1 patent)Fumio Yamamoto ↔ Takayoshi Suzuki (1 patent)Fumio Yamamoto ↔ Masahiro Ikari (1 patent)Fumio Yamamoto ↔ Susumu Saito (1 patent)Fumio YamamotoFumio Yamamoto (1 patent)Akira OhmoriAkira Ohmori (42 patents)Takashi YasuharaTakashi Yasuhara (14 patents)Takayoshi SuzukiTakayoshi Suzuki (3 patents)Masahiro IkariMasahiro Ikari (2 patents)Susumu SaitoSusumu Saito (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kuraray Co., Ltd. (1 from 1,868 patents)


1 patent:

1. 4684705 - Contact lens

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as of
1/8/2026
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