Growing community of inventors

Kanagawa, Japan

Seigoh Nishiyama

Average Co-Inventor Count = 6.00

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 = 4

Seigoh Nishiyama ↔ Hiroshi Yamaguchi (1 patent)Seigoh Nishiyama ↔ Yuichi Takamiya (1 patent)Seigoh Nishiyama ↔ Takanobu Tanaka (1 patent)Seigoh Nishiyama ↔ Kunihiko Abe (1 patent)Seigoh Nishiyama ↔ Yoshishige Tanaka (1 patent)Seigoh NishiyamaSeigoh Nishiyama (1 patent)Hiroshi YamaguchiHiroshi Yamaguchi (169 patents)Yuichi TakamiyaYuichi Takamiya (7 patents)Takanobu TanakaTakanobu Tanaka (5 patents)Kunihiko AbeKunihiko Abe (1 patent)Yoshishige TanakaYoshishige Tanaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (1 from 28,584 patents)


1 patent:

1. 9921460 - Storage case to accommodate a projector and to move the projector up and down

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as of
1/7/2026
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