Growing community of inventors

Kanagawa, Japan

Kyota Koetuka

Average Co-Inventor Count = 5.71

ph-index = 3

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 = 50

Kyota Koetuka ↔ Makoto Nakamura (3 patents)Kyota Koetuka ↔ Tsuyoshi Imamura (3 patents)Kyota Koetuka ↔ Kenji Narita (3 patents)Kyota Koetuka ↔ Kenichi Ishiguro (3 patents)Kyota Koetuka ↔ Takeo Araki (1 patent)Kyota Koetuka ↔ Takahiro Yasunaga (1 patent)Kyota Koetuka ↔ Yasuhiro Hujimori (1 patent)Kyota KoetukaKyota Koetuka (3 patents)Makoto NakamuraMakoto Nakamura (133 patents)Tsuyoshi ImamuraTsuyoshi Imamura (27 patents)Kenji NaritaKenji Narita (5 patents)Kenichi IshiguroKenichi Ishiguro (4 patents)Takeo ArakiTakeo Araki (2 patents)Takahiro YasunagaTakahiro Yasunaga (2 patents)Yasuhiro HujimoriYasuhiro Hujimori (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (3 from 28,577 patents)


3 patents:

1. 6112042 - Developing device and developing roller therefor

2. 6070038 - Developing device and developing roller therefor

3. 5970294 - Cylindrical structural body for use in an image forming apparatus and

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as of
1/5/2026
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