Growing community of inventors

Tokyo, Japan

Satoru Tohyama

Average Co-Inventor Count = 5.00

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 = 4

Satoru Tohyama ↔ Yoshihisa Minakawa (1 patent)Satoru Tohyama ↔ Masateru Kohno (1 patent)Satoru Tohyama ↔ Masanao Takahashi (1 patent)Satoru Tohyama ↔ Yohichi Watanabe (1 patent)Satoru TohyamaSatoru Tohyama (1 patent)Yoshihisa MinakawaYoshihisa Minakawa (24 patents)Masateru KohnoMasateru Kohno (18 patents)Masanao TakahashiMasanao Takahashi (10 patents)Yohichi WatanabeYohichi Watanabe (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (1 from 28,584 patents)


1 patent:

1. D494210 - Wide digital copying machine

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as of
1/9/2026
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