Growing community of inventors

Chiba, Japan

Kichisaburo Hamamura

Average Co-Inventor Count = 6.00

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 = 2

Kichisaburo Hamamura ↔ Shizumasa Kijima (1 patent)Kichisaburo Hamamura ↔ Takashi Banba (1 patent)Kichisaburo Hamamura ↔ Yukio Narabe (1 patent)Kichisaburo Hamamura ↔ Yutaka Ohnuki (1 patent)Kichisaburo Hamamura ↔ Yoshihiro Hisatake (1 patent)Kichisaburo HamamuraKichisaburo Hamamura (1 patent)Shizumasa KijimaShizumasa Kijima (27 patents)Takashi BanbaTakashi Banba (3 patents)Yukio NarabeYukio Narabe (2 patents)Yutaka OhnukiYutaka Ohnuki (1 patent)Yoshihiro HisatakeYoshihiro Hisatake (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eisai Company, Limited (1 from 677 patents)


1 patent:

1. 5073659 - Process for the preparation of terpenes

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/23/2026
Loading…