HK

Hideki Kosugi

Ricoh Company: 54 patents #183 of 9,818Top 2%
Overall (All Time): #47,413 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
11647170 Image projection device Tomoko Takahashi, Yuuji Wada, Yu YONEDA, Daisuke Tomita, Kunihiko Nishioka +5 more 2023-05-09
9581936 Developing device and image forming apparatus including a contact member which is elastically deformed Teppei Kikuchi, Kentaro Mikuniya, Toshio Koike, Keinosuke Kondoh, Yutaka Takahashi 2017-02-28
9471009 Developer container, developer replenisher, and image forming apparatus Teppei Kikuchi, Tatsuya Kubo, Shinnosuke Koshizuka, Kazunori Suzuki, Atsushi Nakamoto 2016-10-18
9400450 Toner cartridge and image forming apparatus incorporating same Teppei Kikuchi, Tatsuya Kubo, Akira Fujimori, Kentaro Nodera, Shinnosuke Koshizuka 2016-07-26
9154649 Data reader and image forming apparatus incorporating same Akira Fujimori, Tatsuya Kubo, Kentaro Nodera, Shinnosuke Koshizuka, Teppei Kikuchi 2015-10-06
9146501 Toner cartridge and image forming apparatus incorporating same Teppei Kikuchi, Tatsuya Kubo, Akira Fujimori, Kentaro Nodera, Shinnosuke Koshizuka 2015-09-29
9110403 Toner-container support unit and image-forming apparatus Akira Fujimori, Tatsuya Kubo, Kentaro Nodera, Shinnosuke Koshizuka, Teppei Kikuchi 2015-08-18
8948638 Image forming apparatus Yuji Ishikura, Yasuyuki Ishii, Tetsuro Hirota, Masaaki Yamada, Yoshiko Ogawa +4 more 2015-02-03
8897681 Developing device, image forming apparatus, and image forming method Tetsuro Hirota, Masaaki Yamada, Atsushi Kurokawa, Hideyasu Seki, Yasuyuki Ishii 2014-11-25
8824935 Development device, process cartridge incorporating same, and image forming apparatus incorporating same Hideyasu Seki, Yasuyuki Ishii, Tetsuro Hirota, Masaaki Yamada, Atsushi Kurokawa 2014-09-02
D711965 Shutter of a powder container Kentaro Nodera, Teppei Kikuchi, Akira Fujimori, Tatsuya Kubo, Shinnosuke Koshizuka 2014-08-26
D698858 Powder container Kentaro Nodera, Teppei Kikuchi, Akira Fujimori, Tatsuya Kubo, Shinnosuke Koshizuka 2014-02-04
D698857 Powder container Kentaro Nodera, Teppei Kikuchi, Akira Fujimori, Tatsuya Kubo, Shinnosuke Koshizuka 2014-02-04
D698388 Powder container Kentaro Nodera, Teppei Kikuchi, Akira Fujimori, Tatsuya Kubo, Shinnosuke Koshizuka 2014-01-28
8594540 Development device, process cartridge incorporating same, and image forming apparatus incorporating same Tetsuro Hirota, Yoshiko Ogawa, Atsushi Kurokawa, Hideyasu Seki, Masaaki Yamada +1 more 2013-11-26
8588635 Development device, process cartridge incorporating same, and image forming apparatus incorporating same Yoshiko Ogawa, Yasuyuki Ishii, Masaaki Yamada, Atsushi Kurokawa, Yuji Ishikura 2013-11-19
8515323 Sheet wrapping avoidable fixing apparatus and image forming apparatus Hisashi Kikuchi, Shigeo Kurotaka, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba +4 more 2013-08-20
8433211 Developing device, process cartridge, and image forming apparatus Masanori Horike, Tetsuro Hirota, Atsushi Kurokawa, Masaaki Yamada, Yoshiko Ogawa +1 more 2013-04-30
8391755 Developing device, process cartridge, and image forming apparatus Yoshinori Nakagawa, Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Ichiro Kadota 2013-03-05
8374531 Developer bearing member and developing device with outer electrode including separated portions, and inner electrode for creating electric field Yoshinori Nakagawa, Masaaki Yamada, Atsushi Kurokawa, Yasuyuki Ishii 2013-02-12
8355657 Development unit, for image forming apparatus Ichiro Kadota, Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Yoshinori Nakagawa 2013-01-15
8204415 Developing unit, processing unit, and image forming apparatus Yoshinori Nakagawa, Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Masanori Saitoh 2012-06-19
8165510 Development device and image forming apparatus having electrodes that cause toner particles to form a toner cloud on the surface of the toner carrier Ichiro Kadota, Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Yoshinori Nakagawa +2 more 2012-04-24
8126346 Apparatus and method for fixing an image Jun Yura, Koichi Kato, Hiroshi Nakai, Kazumi Suzuki, Kei Yasutomi +2 more 2012-02-28
8073350 Developing apparatus, image forming apparatus, and process cartridge Yasuyuki Ishii, Tomoko Takahashi, Masaaki Yamada, Ichiro Kadota, Yoshinori Nakagawa 2011-12-06