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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryushi Imoo — 4 Patents

Kyocera: 4 patents #773 of 3,732Top 25%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ryushi Imoo has been granted 4 US patents while listed as an inventor at Kyocera. The first was granted in 1996 and the most recent in May 1997. Ryushi Imoo ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ryushi Imoo in Tokyo, JP.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5633107 Developer for developing latent electrostatic images and method of forming images by using the developer Yoshio Ozawa, Hisashi Mukataka, Satoshi Nishida 1997-05-27 $1,261,000
5596394 Charging apparatus for charging a photo-sensitive member by magnetically holding magnetic particles in a charging zone Yasuo Nishiguchi, Susumu Kikuchi, Sigeki Tsukahara, Shinji Yamane 1997-01-21 $750,000
5554477 Developer for developing latent electrostatic images Yoshio Ozawa, Hisashi Mukataka, Satoshi Nishida 1996-09-10 $976,000
5483272 Image forming apparatus and method for obtaining smooth charging, exposure and development Hisashi Mukataka, Hidemasa Aiba, Akira Satoh, Masahiro Nagata, Hiroyoshi Tode 1996-01-09 $732,000