Growing community of inventors

Sagamihara, Japan

Fumio Okuya

Average Co-Inventor Count = 5.00

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 = 12

Fumio Okuya ↔ Tsuyoshi Imamura (1 patent)Fumio Okuya ↔ Kyoichi Ashikawa (1 patent)Fumio Okuya ↔ Takeo Araki (1 patent)Fumio Okuya ↔ Hisatsugu Nagano (1 patent)Fumio OkuyaFumio Okuya (1 patent)Tsuyoshi ImamuraTsuyoshi Imamura (27 patents)Kyoichi AshikawaKyoichi Ashikawa (6 patents)Takeo ArakiTakeo Araki (2 patents)Hisatsugu NaganoHisatsugu Nagano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (1 from 28,577 patents)


1 patent:

1. 5244741 - Developing roller of monocomponent developing system

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as of
12/30/2025
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