Growing community of inventors

Naruto, Japan

Ryoichi Umemoto

Average Co-Inventor Count = 5.00

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 = 9

Ryoichi Umemoto ↔ Eiji Sakashita (1 patent)Ryoichi Umemoto ↔ Kazuo Hino (1 patent)Ryoichi Umemoto ↔ Takashi Komai (1 patent)Ryoichi Umemoto ↔ Kaneji Asakawa (1 patent)Ryoichi UmemotoRyoichi Umemoto (1 patent)Eiji SakashitaEiji Sakashita (6 patents)Kazuo HinoKazuo Hino (3 patents)Takashi KomaiTakashi Komai (3 patents)Kaneji AsakawaKaneji Asakawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Otsuka Pharmaceutical Factory, Inc. (1 from 188 patents)


1 patent:

1. 5324823 - Adsorbent for cellular fibronectin and a method for fractional

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12/19/2025
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