Growing community of inventors

Tamamura-machi, Japan

Atsushi Umejima

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 = 22

Atsushi Umejima ↔ Hideki Sugi (1 patent)Atsushi Umejima ↔ Toshitake Kojima (1 patent)Atsushi Umejima ↔ Yoshimasa Seo (1 patent)Atsushi Umejima ↔ Kazuo Shiraishi (1 patent)Atsushi Umejima ↔ Fumio Sakai (1 patent)Atsushi Umejima ↔ Koichi Wada (1 patent)Atsushi UmejimaAtsushi Umejima (1 patent)Hideki SugiHideki Sugi (11 patents)Toshitake KojimaToshitake Kojima (9 patents)Yoshimasa SeoYoshimasa Seo (9 patents)Kazuo ShiraishiKazuo Shiraishi (8 patents)Fumio SakaiFumio Sakai (5 patents)Koichi WadaKoichi Wada (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Kayaku Kabushiki Kaisha (1 from 775 patents)


1 patent:

1. 5959143 - Catalysts and process for the preparation thereof

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