SO

Sei Onuma

Ricoh Company: 22 patents #966 of 9,818Top 10%
MI Minolta: 1 patents #729 of 1,109Top 70%
Overall (All Time): #185,211 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
9182719 Moving device assembly and image forming apparatus including the moving device assembly Yuuki Shiga, Kozo Yamazaki, Kimihiro Tanaka 2015-11-10
9025986 Moving device assembly and image forming apparatus including the moving device assembly Yuuki Shiga, Kozo Yamazaki, Kimihiro Tanaka 2015-05-05
8611783 Interlock system and image forming apparatus incorporating interlock system Nobuhiko Kita, Genta Hagiwara, Masafumi Takahira, Haruo Hashimoto 2013-12-17
8526853 Image forming apparatus having toner passage blocking mechanism Kaoru Tada, Nobuhiko Kita, Masafumi Takahira, Genta Hagiwara, Yuusuke Furuichi 2013-09-03
8424863 Paper feeder and image forming apparatus Nobuhiko Kita, Ryoh Idehara, Kazuyoshi Kondo, Yuusuke Furuichi, Genta Hagiwara +1 more 2013-04-23
8417155 Swing-gear mechanism and image forming apparatus having multiple speed modes Tatsuo Fukushima, Katsumi Kumada, Nobuhiko Kita 2013-04-09
8417142 Image forming apparatus having developing device cooling mechanism, and control method therefor Yuusuke Furuichi, Nobuhiko Kita, Ryoh Idehara, Kazuyoshi Kondo, Genta Hagiwara +1 more 2013-04-09
8412056 Image forming apparatus performing image formation by conveying paper Yuusuke Furuichi, Nobuhiko Kita, Tatsuo Fukushima, Haruo Hashimoto, Genta Hagiwara +2 more 2013-04-02
8311438 Interlock device and image forming apparatus incorporating same Nobuhiko Kita, Haruo Hashimoto, Masafumi Takahira, Kaoru Tada, Genta Hagiwara +1 more 2012-11-13
8169460 Image forming apparatus Yuusuke Furuichi, Nobuhiko Kita, Ryoh Idehara, Kazuyoshi Kondo, Genta Hagiwara +1 more 2012-05-01
8050593 Image forming apparatus including a mechanism for reliably mounting a process unit Yuusuke Furuichi, Nobuhiko Kita, Ryoh Idehara, Kazuyoshi Kondo, Genta Hagiwara +1 more 2011-11-01
8020848 Paper feeder and image forming apparatus Nobuhiko Kita, Ryoh Idehara, Kazuyoshi Kondo, Yuusuke Furuichi, Genta Hagiwara +1 more 2011-09-20
8010012 Image forming apparatus including a latent image carrier and an exposing unit Ryoh Idehara, Nobuhiko Kita, Kazuyoshi Kondo, Yuusuke Furuichi, Genta Hagiwara +1 more 2011-08-30
7983596 Housing structure and image forming apparatus Genta Hagiwara, Katsumi Kumada, Nobuhiko Kita, Haruo Hashimoto, Masafumi Takahira +1 more 2011-07-19
7941069 Process cartridge having air inlets and outlets for cooling gears disposed in the process cartridge Ryoh Idehara, Nobuhiko Kita, Kazuyoshi Kondo, Yuusuke Furuichi, Tadashi Okano +2 more 2011-05-10
7937015 Image forming apparatus having a development device mixing and conveying developer Yuusuke Furuichi, Nobuhiko Kita, Ryoh Idehara, Kaoru Tada, Genta Hagiwara 2011-05-03
7925199 Image forming apparatus Kaoru Tada, Nobuhiko Kita, Ryoh Idehara, Kazuyoshi Kondo, Yuusuke Furuichi +1 more 2011-04-12
7854418 Image forming apparatus including supporting legs Ryoh Idehara, Nobuhiko Kita, Kazuyoshi Kondo, Yusuke Furuichi, Tadashi Okano +2 more 2010-12-21
7844196 Image forming apparatus Nobuhiko Kita, Ryoh Idehara, Kazuyoshi Kondo, Yuusuke Furuichi, Genta Hagiwara +1 more 2010-11-30
7835661 Image forming apparatus Ryoh Idehara, Nobuhiko Kita, Kazuyoshi Kondo, Yuusuke Furuichi, Genta Hagiwara +1 more 2010-11-16
7751749 Image forming apparatus Ryoh Idehara, Nobuhiko Kita, Kazuyoshi Kondo, Yuusuke Furuichi, Genta Hagiwara +1 more 2010-07-06
7611106 Attaching structure of supporting legs for apparatus Kazuyoshi Kondo, Nobuhiko Kita, Ryoh Idehara, Yuusuke Furuichi, Genta Hagiwara +1 more 2009-11-03
5488490 Image reading apparatus for reading images recorded on film Kenji Sawada, Yashushi Yamade 1996-01-30