Growing community of inventors

Chiba, Japan

Hiroharu Ishikawa

Average Co-Inventor Count = 6.41

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 = 20

Hiroharu IshikawaShigehiro Kataoka (2 patents)Hiroharu IshikawaMamoru Kikuchi (2 patents)Hiroharu IshikawaToshiaki Ariga (2 patents)Hiroharu IshikawaJun Yamakoshi (2 patents)Hiroharu IshikawaYukihiko Iwai (2 patents)Hiroharu IshikawaTsutomu Sasaki (1 patent)Hiroharu IshikawaKenji Mori (1 patent)Hiroharu IshikawaMakoto Saito (1 patent)Hiroharu IshikawaKatsumi Yuasa (1 patent)Hiroharu IshikawaTatuo Manaka (1 patent)Hiroharu IshikawaFumio Yamaguchi (1 patent)Hiroharu IshikawaTakanao Matsudo (1 patent)Hiroharu IshikawaHiroharu Ishikawa (3 patents)Shigehiro KataokaShigehiro Kataoka (9 patents)Mamoru KikuchiMamoru Kikuchi (9 patents)Toshiaki ArigaToshiaki Ariga (8 patents)Jun YamakoshiJun Yamakoshi (6 patents)Yukihiko IwaiYukihiko Iwai (4 patents)Tsutomu SasakiTsutomu Sasaki (66 patents)Kenji MoriKenji Mori (25 patents)Makoto SaitoMakoto Saito (7 patents)Katsumi YuasaKatsumi Yuasa (5 patents)Tatuo ManakaTatuo Manaka (4 patents)Fumio YamaguchiFumio Yamaguchi (3 patents)Takanao MatsudoTakanao Matsudo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kikkoman Corporation (3 from 236 patents)


3 patents:

1. 5972357 - Healthy foods and cosmetics

2. 5804597 - Agent for the prevention or treatment of cataracts

3. 5698585 - Pharmaceutical preparation for prevention and/or treatment for cataract

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12/31/2025
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