Growing community of inventors

Kanagawa, Japan

Youichi Ohta

Average Co-Inventor Count = 7.00

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 = 7

Youichi OhtaKenichi Tomita (1 patent)Youichi OhtaKazumaro Furuse (1 patent)Youichi OhtaToshio Nishiyama (1 patent)Youichi OhtaKeisuke Nakajima (1 patent)Youichi OhtaMakoto Uzuka (1 patent)Youichi OhtaShinichi Hirama (1 patent)Youichi OhtaYouichi Ohta (1 patent)Kenichi TomitaKenichi Tomita (20 patents)Kazumaro FuruseKazumaro Furuse (5 patents)Toshio NishiyamaToshio Nishiyama (5 patents)Keisuke NakajimaKeisuke Nakajima (1 patent)Makoto UzukaMakoto Uzuka (1 patent)Shinichi HiramaShinichi Hirama (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. 4713397 - Composition for reducing natural hair fall-out

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1/8/2026
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