Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D862585 | Side cover for process cartridge for image forming apparatus | Toru Oguma, Tetsuya Numata, Takuya Kawakami, Yohei Kusano, Daisuke Hiramatsu +4 more | 2019-10-08 |
| D862586 | Photosensitive drum for process cartridge for image forming apparatus | Toru Oguma, Tetsuya Numata, Takuya Kawakami, Yohei Kusano, Daisuke Hiramatsu +4 more | 2019-10-08 |
| D862587 | Coupling for process cartridge for image forming apparatus | Toru Oguma, Tetsuya Numata, Takuya Kawakami, Yohei Kusano, Daisuke Hiramatsu +4 more | 2019-10-08 |
| 10401786 | Image forming apparatus and cartridge used for the same | Tetsuya Numata, Daisuke Hiramatsu | 2019-09-03 |
| D845384 | Process cartridge for image forming apparatus | Toru Oguma, Tetsuya Numata, Takuya Kawakami, Yohei Kusano, Daisuke Hiramatsu +4 more | 2019-04-09 |
| 10228635 | Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus | Masahito Kato, Kenta Shibukawa, Kazumi Yamauchi, Katsuichi Abe, Atsushi Toda +2 more | 2019-03-12 |
| 10037000 | Cartridge | Go Torii | 2018-07-31 |
| 9996050 | Image forming apparatus and cartridge used for the same | Tetsuya Numata, Daisuke Hiramatsu | 2018-06-12 |
| 9946195 | Developer container developing device process cartridge and image forming apparatus | Atsushi Takasaka, Tadashi Horikawa, Go Torii | 2018-04-17 |
| 9857730 | Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus | Masahito Kato, Kenta Shibukawa, Kazumi Yamauchi, Katsuichi Abe, Atsushi Toda +2 more | 2018-01-02 |
| 9857767 | Process cartridge and image forming apparatus | Go Torii, Junichi Matsumura, Masahito Kato, Atsushi Toda | 2018-01-02 |
| 9846386 | Developer container, developing device, process cartridge, and image forming apparatus | Atsushi Takasaka, Tadashi Horikawa, Go Torii | 2017-12-19 |
| 9684278 | Image forming apparatus and process for supporting cartridge used for the same | Tetsuya Numata, Daisuke Hiramatsu | 2017-06-20 |
| 9651916 | Cartridge having storing medium and image forming apparatus using the cartridge | Takuya Kawakami, Takayuki Yada, Kiyoshi Furuta | 2017-05-16 |
| 8688004 | Process cartridge, electrophotographic image forming apparatus and electrophotographic photosensitive drum unit | Masanari Morioka, Ryosuke Nakazawa, Teruhiko Sasaki, Masato Hisano | 2014-04-01 |
| 8583005 | Process cartridge and image forming apparatus | Yoshiyuki Batori, Naoki Matsumaru | 2013-11-12 |
| 8369744 | Process cartridge including a photosensitive drum for an electrophotographic image forming apparatus | Masanari Morioka, Ryosuke Nakazawa, Teruhiko Sasaki, Masato Hisano | 2013-02-05 |
| 8326185 | Developing device having stirring portion with a sweeping edge to carry developer | Yoshiyuki Batori | 2012-12-04 |
| 8270876 | Process cartridge and electrophotographic photosensitive drum unit | Masanari Morioka, Masato Hisano, Teruhiko Sasaki, Ryosuke Nakazawa | 2012-09-18 |
| 8139972 | Process cartridge and electrophotographic image forming apparatus | Daisuke Abe | 2012-03-20 |
| 8121517 | Process cartridge, electrophotographic image forming apparatus and electrographic photosensitive drum unit | Masanari Morioka, Ryosuke Nakazawa, Teruhiko Sasaki, Masato Hisano | 2012-02-21 |
| 8081898 | Process cartridge and method for removing processing means from process cartridge | Yoshiyuki Batori, Nobuyoshi Hara | 2011-12-20 |
| D632731 | Process cartridge | Daisuke Abe, Teruhiko Sasaki, Masanari Morioka, Hiroki Ogino, Junichiro Mizobe | 2011-02-15 |
| D614691 | Process cartridge | Daisuke Abe, Teruhiko Sasaki, Masanari Morioka, Hiroki Ogino, Junichiro Mizobe | 2010-04-27 |