Growing community of inventors

Naruto, Japan

Kenichi Kawamura

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 = 0

Kenichi Kawamura ↔ Yoshihiko Tsuda (1 patent)Kenichi Kawamura ↔ Yasuhide Inoue (1 patent)Kenichi Kawamura ↔ Kazuyoshi Miyata (1 patent)Kenichi Kawamura ↔ Yasuhiro Sakai (1 patent)Kenichi KawamuraKenichi Kawamura (1 patent)Yoshihiko TsudaYoshihiko Tsuda (13 patents)Yasuhide InoueYasuhide Inoue (12 patents)Kazuyoshi MiyataKazuyoshi Miyata (11 patents)Yasuhiro SakaiYasuhiro Sakai (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Otsuka Pharmaceutical Factory, Inc. (1 from 188 patents)


1 patent:

1. 6468992 - Phosphonic acid diester derivatives

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12/15/2025
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