Growing community of inventors

Tokyo, Japan

Yohichi Watanabe

Average Co-Inventor Count = 3.33

ph-index = 3

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 = 19

Yohichi Watanabe ↔ Masanao Takahashi (3 patents)Yohichi Watanabe ↔ Yoshihisa Minakawa (2 patents)Yohichi Watanabe ↔ Masateru Kohno (2 patents)Yohichi Watanabe ↔ Takeshi Kimura (1 patent)Yohichi Watanabe ↔ Shigeru Horiguchi (1 patent)Yohichi Watanabe ↔ Satoshi Odanaka (1 patent)Yohichi Watanabe ↔ Satoru Tohyama (1 patent)Yohichi WatanabeYohichi Watanabe (4 patents)Masanao TakahashiMasanao Takahashi (10 patents)Yoshihisa MinakawaYoshihisa Minakawa (24 patents)Masateru KohnoMasateru Kohno (18 patents)Takeshi KimuraTakeshi Kimura (79 patents)Shigeru HoriguchiShigeru Horiguchi (36 patents)Satoshi OdanakaSatoshi Odanaka (8 patents)Satoru TohyamaSatoru Tohyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (4 from 28,544 patents)


4 patents:

1. 7578630 - Control panel and apparatus using the same

2. D591339 - Laser printer

3. D588188 - High-speed copying machine with a finisher

4. D494210 - Wide digital copying machine

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as of
12/8/2025
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