Growing community of inventors

Hachioji, Japan

Mutsumi Yoshikawa

Average Co-Inventor Count = 9.39

ph-index = 4

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 = 437

Mutsumi YoshikawaAkira Suzuki (3 patents)Mutsumi YoshikawaHiroki Hibino (3 patents)Mutsumi YoshikawaSakae Takehana (3 patents)Mutsumi YoshikawaYoshinao Oaki (3 patents)Mutsumi YoshikawaYoshisada Aoki (3 patents)Mutsumi YoshikawaMasahito Goto (3 patents)Mutsumi YoshikawaYoshikatsu Nagayama (3 patents)Mutsumi YoshikawaToshiyuki Takara (3 patents)Mutsumi YoshikawaKoichi Yoshimitsu (2 patents)Mutsumi YoshikawaMasaaki Hayashi (1 patent)Mutsumi YoshikawaYasuhiro Ueda (1 patent)Mutsumi YoshikawaShuichi Takayama (1 patent)Mutsumi YoshikawaRaifu Matsui (1 patent)Mutsumi YoshikawaEiichi Fuse (1 patent)Mutsumi YoshikawaMakoto Inaba (1 patent)Mutsumi YoshikawaKoichiro Ishiwara (1 patent)Mutsumi YoshikawaMotoyuki Tagawa (1 patent)Mutsumi YoshikawaKoichi Hoshimitsu (1 patent)Mutsumi YoshikawaMutsumi Yoshikawa (4 patents)Akira SuzukiAkira Suzuki (53 patents)Hiroki HibinoHiroki Hibino (48 patents)Sakae TakehanaSakae Takehana (38 patents)Yoshinao OakiYoshinao Oaki (24 patents)Yoshisada AokiYoshisada Aoki (11 patents)Masahito GotoMasahito Goto (10 patents)Yoshikatsu NagayamaYoshikatsu Nagayama (8 patents)Toshiyuki TakaraToshiyuki Takara (5 patents)Koichi YoshimitsuKoichi Yoshimitsu (9 patents)Masaaki HayashiMasaaki Hayashi (48 patents)Yasuhiro UedaYasuhiro Ueda (43 patents)Shuichi TakayamaShuichi Takayama (24 patents)Raifu MatsuiRaifu Matsui (14 patents)Eiichi FuseEiichi Fuse (12 patents)Makoto InabaMakoto Inaba (11 patents)Koichiro IshiwaraKoichiro Ishiwara (6 patents)Motoyuki TagawaMotoyuki Tagawa (4 patents)Koichi HoshimitsuKoichi Hoshimitsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Olympus Optical Company, Ltd. (4 from 5,729 patents)


4 patents:

1. 5159446 - Electronic endoscope system provided with a separate camera controlling

2. 5088492 - Radioactive ray detecting endoscope

3. 5060632 - Endoscope apparatus

4. 4982725 - Endoscope apparatus

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as of
12/7/2025
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