Growing community of inventors

Tokyo, Japan

Shuuichi Tsushima

Average Co-Inventor Count = 2.00

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 = 16

Shuuichi Tsushima ↔ Fuyuhiko Matsumoto (1 patent)Shuuichi TsushimaShuuichi Tsushima (1 patent)Fuyuhiko MatsumotoFuyuhiko Matsumoto (15 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (1 from 28,546 patents)


1 patent:

1. 4673284 - Cleaning device

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12/9/2025
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