Growing community of inventors

Kasugai, Japan

Hidehumi Yamakawa

Average Co-Inventor Count = 8.00

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 = 14

Hidehumi Yamakawa ↔ Masayasu Kurono (1 patent)Hidehumi Yamakawa ↔ Kunio Yagi (1 patent)Hidehumi Yamakawa ↔ Nobuko Ohishi (1 patent)Hidehumi Yamakawa ↔ Takehiko Suzuki (1 patent)Hidehumi Yamakawa ↔ Takafumi Iida (1 patent)Hidehumi Yamakawa ↔ Takuya Koshizaka (1 patent)Hidehumi Yamakawa ↔ Eiichi Kato (1 patent)Hidehumi YamakawaHidehumi Yamakawa (1 patent)Masayasu KuronoMasayasu Kurono (71 patents)Kunio YagiKunio Yagi (13 patents)Nobuko OhishiNobuko Ohishi (9 patents)Takehiko SuzukiTakehiko Suzuki (5 patents)Takafumi IidaTakafumi Iida (4 patents)Takuya KoshizakaTakuya Koshizaka (2 patents)Eiichi KatoEiichi Kato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Vitamin Kenkyusho (1 from 1 patent)


1 patent:

1. 4987150 - Agent for inhibiting binding of 5-dihydro-testosterone with androgen

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/9/2026
Loading…