Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271136 | Image forming apparatus including a display unit for displaying information about a procedure for replenishing developer | Kohei Koguchi, Isao Koishi | 2025-04-08 |
| 12147190 | Image forming apparatus | Takeo Kawanami, Akinori Mitsumata, Takehiro Miyashita | 2024-11-19 |
| 11796947 | Image forming apparatus including a display unit for displaying information about a procedure for replenishing developer | Kohei Koguchi, Isao Koishi | 2023-10-24 |
| 11754946 | Image forming apparatus | Kohei Koguchi, Isao Koishi | 2023-09-12 |
| 11586143 | Image forming apparatus | Takeo Kawanami, Akinori Mitsumata, Takehiro Miyashita | 2023-02-21 |
| 11474452 | Image forming apparatus including an attachment portion to which to attach a supply container for supplying a developer | Kohei Koguchi, Isao Koishi | 2022-10-18 |
| 11454912 | Image forming apparatus including a display unit for displaying information about a procedure for replenishing developer | Kohei Koguchi, Isao Koishi | 2022-09-27 |
| 9575437 | Image forming apparatus having widthwise adjustment of endless belt | Takeo Kawanami | 2017-02-21 |
| 9310762 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2016-04-12 |
| 9310758 | Image forming apparatus | Masahiro Tambo | 2016-04-12 |
| 8805237 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2014-08-12 |
| 8737892 | Image forming apparatus | Atsushi Kawarago | 2014-05-27 |
| 8494410 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2013-07-23 |
| 8437661 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2013-05-07 |
| 8385775 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2013-02-26 |
| 8170444 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2012-05-01 |
| 8170445 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2012-05-01 |
| 8155557 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2012-04-10 |
| 8090292 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2012-01-03 |
| 8059988 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2011-11-15 |
| 7756441 | Process cartridge and electrophotographic image forming apparatus | Kazuhiko Kanno, Yasufumi Yoshino | 2010-07-13 |
| 7283776 | Image forming apparatus | — | 2007-10-16 |
| 7107000 | Image heating apparatus having flexible sleeve | Kenji Watanabe, Takayuki Miyamoto | 2006-09-12 |
| 7010256 | Image heating apparatus having recording medium conveying nip nonuniform in pressure distribution | Masatake Usui, Hideyuki Yano, Kenya Ogawa, Shunichi Ebihara | 2006-03-07 |
| 6543758 | Image forming apparatus | Tomoaki Imura, Eiji Wakiyama | 2003-04-08 |