Growing community of inventors

Funabashi, Japan

Katsumi Chikama

Average Co-Inventor Count = 4.00

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 = 0

Katsumi Chikama ↔ Yukio Nagasaki (1 patent)Katsumi Chikama ↔ Hitoshi Furusho (1 patent)Katsumi Chikama ↔ Hisae Miyamoto (1 patent)Katsumi ChikamaKatsumi Chikama (1 patent)Yukio NagasakiYukio Nagasaki (41 patents)Hitoshi FurushoHitoshi Furusho (18 patents)Hisae MiyamotoHisae Miyamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Chemical Industries Limited (1 from 1,235 patents)


1 patent:

1. 6822069 - Poly (5-aminoquinoxalines) and use thereof

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1/9/2026
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