Growing community of inventors

Aichi, Japan

Yutaka Ohnuki

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

Yutaka Ohnuki ↔ Shizumasa Kijima (1 patent)Yutaka Ohnuki ↔ Takashi Banba (1 patent)Yutaka Ohnuki ↔ Yukio Narabe (1 patent)Yutaka Ohnuki ↔ Kichisaburo Hamamura (1 patent)Yutaka Ohnuki ↔ Yoshihiro Hisatake (1 patent)Yutaka OhnukiYutaka Ohnuki (1 patent)Shizumasa KijimaShizumasa Kijima (27 patents)Takashi BanbaTakashi Banba (3 patents)Yukio NarabeYukio Narabe (2 patents)Kichisaburo HamamuraKichisaburo Hamamura (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

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as of
1/10/2026
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