Growing community of inventors

Saitama, Japan

Yoichi Shirai

Average Co-Inventor Count = 3.00

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 = 8

Yoichi Shirai ↔ Tetsuya Goto (1 patent)Yoichi Shirai ↔ Koichi Soda (1 patent)Yoichi ShiraiYoichi Shirai (1 patent)Tetsuya GotoTetsuya Goto (15 patents)Koichi SodaKoichi Soda (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (1 from 28,544 patents)


1 patent:

1. D295527 - Camera

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12/8/2025
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