SO

Shunichi Oohara

Ricoh Company: 10 patents #2,244 of 9,818Top 25%
HI Hitachi: 7 patents #5,859 of 28,497Top 25%
RS Ricoh Printing Systems: 6 patents #12 of 200Top 6%
HS Hitachi Printing Solutions: 1 patents #50 of 99Top 55%
Overall (All Time): #173,582 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
9889667 Maintenance device used in liquid discharge head, liquid discharge device, and liquid discharge apparatus Masaya Hamaguchi 2018-02-13
9188929 Curl straightening method and image forming apparatus Yuko Hayama 2015-11-17
9031492 Image forming apparatus and curl correcting method Yuko Hayama 2015-05-12
8971780 Fixing device, and image forming apparatus using the fixing device 2015-03-03
8190046 Image forming apparatus employing fixing device and control method therefor Kaoru Kataoka, Hiroyuki Seki 2012-05-29
7941076 Rotor driving force transmission device and image forming apparatus having the device Marutomo Gotou 2011-05-10
7873312 Transfer apparatus, method of manufacturing the transfer apparatus and image forming apparatus using the transfer apparatus Takao Umeda, Hiroyuki Mabuchi 2011-01-18
7817957 Double feed sensing device, double feed determining method and image forming apparatus Kunio Satou, Masuo Furutono 2010-10-19
7734220 Velocity correction device and velocity correction method in image forming apparatus 2010-06-08
7686158 Belt-conveyor device and image forming apparatus Satoru Tao, Yoshihiko Sano, Susumu Saito, Nobuyuki Furuya 2010-03-30
7477867 Fixing device having cleaner and temperature detector Chikara Hiraoka, Toru Hanashima, Masahiko Saito, Toshio Ogiso 2009-01-13
7441766 Paper feeder with separation pad and vibration buffers Hiroyuki Seki, Yoshiaki Yamauchi, Takamitsu Ikematsu, Kazuo Kikuchi, Seiji Okunomiya 2008-10-28
7433640 Fixing apparatus and image forming apparatus including heating member Masahiro Yagi, Toshio Ogiso, Shigeru Obata, Toru Hanashima, Osamu Saito 2008-10-07
7428394 Electronic color photography apparatus Tomofumi Yoshida, Kazuhiro Wakamatsu, Masahiko Saito, Yasuhiro Kiyono 2008-09-23
7298981 Fixing device and image forming apparatus with guide having adjustable biasing angle Hiroyuki Seki, Toshio Ogiso, Shigeru Obata, Chikara Hiraoka, Toru Hanashima +1 more 2007-11-20
7167670 Electro-photographic apparatus with a heating roller and pressurizing member Shigeru Obata, Toshio Ogiso, Kenji Asuwa, Toru Hanashima, Chikara Hiraoka 2007-01-23
6876831 Image forming apparatus for conducting speed compensation by internal transcription belt cycle measurement Kazuo Kikuchi, Masashi Yamamoto, Kazuhiro Wakamatsu, Masahiko Saito, Yuuichi Takano +3 more 2005-04-05
6760564 Picture image forming apparatus with intermediate transfer belt trained around two rollers of different diameter Kazuhiro Wakamatsu, Akira Sasaki, Kazuo Kikuchi, Masahiko Saito, Atsushi Onose +4 more 2004-07-06
6129351 Overlap detection apparatus and method Taichiro Yamashita, Naoki Sasaki, Masahisa Aoyagi, Hideo Inui, Junji Fujita 2000-10-10
6023034 Inter-article gap adjustor for controlled delivery to a sorting device using a plurality of gap sensors Kichio Nakajima, Junichi Tamamoto, Takashi Yoshida, Toshihiko Tajiri, Junji Fujita +2 more 2000-02-08
5984303 Overlap detection apparatus and method Taichiro Yamashita, Naoki Sasaki, Masahisa Aoyagi, Hideo Inui, Junji Fujita 1999-11-16
5801704 Three-dimensional input device with displayed legend and shape-changing cursor Masakazu Ejiri, Yasuhiro Nemoto, Naoki Sasaki, Hidefumi Ohtsuka, Shogo Matsumoto +2 more 1998-09-01
5770848 Apparatus and method for treating a commodity by automatically recognizing a barcode attached to a conveyed commodity by scanner Junichi Oizumi, Ryoko Sato, Ikuo Takeuchi, Kousuke Noda, Yutaka Nagasawa +4 more 1998-06-23
5457545 Facsimile apparatus and image signal display method and image signal recording method Hidekazu Kohira, Michihiro Watanabe, Tatsuya Nagata, Kazuytaka Sato, Shogo Matsumoto 1995-10-10