Growing community of inventors

Ako, Japan

Keiichi Kuwahara

Average Co-Inventor Count = 5.09

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 = 14

Keiichi KuwaharaTakao Nishi (2 patents)Keiichi KuwaharaYasuo Oshiro (2 patents)Keiichi KuwaharaTatsuyoshi Tanaka (1 patent)Keiichi KuwaharaShigeki Fujisawa (1 patent)Keiichi KuwaharaKozo Watanabe (1 patent)Keiichi KuwaharaYutaka Wada (1 patent)Keiichi KuwaharaKeiko Takasu (1 patent)Keiichi KuwaharaKeiichi Kuwahara (2 patents)Takao NishiTakao Nishi (25 patents)Yasuo OshiroYasuo Oshiro (19 patents)Tatsuyoshi TanakaTatsuyoshi Tanaka (18 patents)Shigeki FujisawaShigeki Fujisawa (2 patents)Kozo WatanabeKozo Watanabe (1 patent)Yutaka WadaYutaka Wada (1 patent)Keiko TakasuKeiko Takasu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Otsuka Pharmaceutical Company, Limited (2 from 846 patents)


2 patents:

1. 6133264 - Carbostyril derivatives for inhibiting skin erythema and/or skin

2. 5786367 - Cyclic amide derivatives

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/10/2026
Loading…