Growing community of inventors

Saitama-ken, Japan

Yoshito Ichikawa

Average Co-Inventor Count = 4.01

ph-index = 5

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 = 1,626

Yoshito IchikawaTomohisa Sakurai (2 patents)Yoshito IchikawaKazuya Hijii (2 patents)Yoshito IchikawaTakashi Mihori (2 patents)Yoshito IchikawaKouji Tanikawa (2 patents)Yoshito IchikawaSatoshi Takemoto (2 patents)Yoshito IchikawaYoshitaka Honda (1 patent)Yoshito IchikawaAkinobu Uchikubo (1 patent)Yoshito IchikawaKazue Tanaka (1 patent)Yoshito IchikawaShinji Hatta (1 patent)Yoshito IchikawaMasakazu Gotanda (1 patent)Yoshito IchikawaKuniaki Kami (1 patent)Yoshito IchikawaMamoru Kaneko (1 patent)Yoshito IchikawaKenji Harano (1 patent)Yoshito IchikawaMakoto Tsunakawa (1 patent)Yoshito IchikawaAkihiro Taguchi (1 patent)Yoshito IchikawaJunichi Onishi (1 patent)Yoshito IchikawaAkihisa Ogawa (1 patent)Yoshito IchikawaTsutomu Hirai (1 patent)Yoshito IchikawaHiroshi Takahashi (1 patent)Yoshito IchikawaHiroaki Matsumoto (1 patent)Yoshito IchikawaYasukazu Tatsumi (1 patent)Yoshito IchikawaKenya Inomata (1 patent)Yoshito IchikawaMasahide Oyama (1 patent)Yoshito IchikawaYukiko Nagaoka (1 patent)Yoshito IchikawaKyou Imagawa (1 patent)Yoshito IchikawaYoshito Ichikawa (5 patents)Tomohisa SakuraiTomohisa Sakurai (40 patents)Kazuya HijiiKazuya Hijii (27 patents)Takashi MihoriTakashi Mihori (12 patents)Kouji TanikawaKouji Tanikawa (8 patents)Satoshi TakemotoSatoshi Takemoto (2 patents)Yoshitaka HondaYoshitaka Honda (59 patents)Akinobu UchikuboAkinobu Uchikubo (41 patents)Kazue TanakaKazue Tanaka (39 patents)Shinji HattaShinji Hatta (30 patents)Masakazu GotandaMasakazu Gotanda (28 patents)Kuniaki KamiKuniaki Kami (23 patents)Mamoru KanekoMamoru Kaneko (23 patents)Kenji HaranoKenji Harano (19 patents)Makoto TsunakawaMakoto Tsunakawa (18 patents)Akihiro TaguchiAkihiro Taguchi (18 patents)Junichi OnishiJunichi Onishi (18 patents)Akihisa OgawaAkihisa Ogawa (12 patents)Tsutomu HiraiTsutomu Hirai (9 patents)Hiroshi TakahashiHiroshi Takahashi (9 patents)Hiroaki MatsumotoHiroaki Matsumoto (8 patents)Yasukazu TatsumiYasukazu Tatsumi (5 patents)Kenya InomataKenya Inomata (4 patents)Masahide OyamaMasahide Oyama (3 patents)Yukiko NagaokaYukiko Nagaoka (3 patents)Kyou ImagawaKyou Imagawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


5 patents:

1. 6039732 - Electric operation apparatus

2. 5931836 - Electrosurgery apparatus and medical apparatus combined with the same

3. 5678568 - System control apparatus, medical system control apparatus and

4. 5609560 - Medical operation device control system for controlling a operation

5. 5540683 - High frequency cauterizing apparatus

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12/17/2025
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