Growing community of inventors

Tokyo, Japan

Katumi Yamamoto

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 = 5

Katumi YamamotoYoshimi Suganuma (1 patent)Katumi YamamotoToshio Komoda (1 patent)Katumi YamamotoTatsuo Iizuka (1 patent)Katumi YamamotoKatumi Yamamoto (1 patent)Yoshimi SuganumaYoshimi Suganuma (5 patents)Toshio KomodaToshio Komoda (1 patent)Tatsuo IizukaTatsuo Iizuka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (1 from 16,458 patents)


1 patent:

1. 4769678 - Photograph printing apparatus

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as of
1/5/2026
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