Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D752136 | Image drum cartridge | Shigenori Koido, Yukiyoshi Oda | 2016-03-22 |
| D733794 | Toner cartridge | Yukiyoshi Oda, Shigenori Koido, Atsushi Kobayashi | 2015-07-07 |
| D727412 | Toner cartridge | Yukiyoshi Oda, Shigenori Koido | 2015-04-21 |
| 8965248 | Image formation unit and image formation apparatus | Atsushi Kobayashi, Yukiyoshi Oda, Yasushi Nakasone | 2015-02-24 |
| 8526856 | Image forming unit having biasing part that biases developing unit toward drum unit and image forming device including same | — | 2013-09-03 |
| 8515315 | Developing device and image forming apparatus | Masahiro Kawano | 2013-08-20 |
| 7813681 | Contact pressure setting apparatus for an image forming apparatus | Takanori Mimura, Junichi Ito | 2010-10-12 |
| 7711291 | Developing device with developer guide member and image forming apparatus | — | 2010-05-04 |
| 7522851 | Developing device | Tetsu Koyama | 2009-04-21 |
| D588633 | Image drum cartridge | Yukiyoshi Oda | 2009-03-17 |
| 7406276 | Contact pressure setting method and image forming apparatus | Takanori Mimura, Junichi Ito | 2008-07-29 |
| D573631 | Toner cartridge | Yukiyoshi Oda | 2008-07-22 |
| D546873 | Toner cartridge | Tetsu Koyama, Masayuki Suzuki, Atsushi Kobayashi, Tetsuji Kojima, Yasushi Nakasone +2 more | 2007-07-17 |
| 7187876 | Image forming apparatus with mechanism to control toner replenishment | Junichi Ito, Tetsu Koyama | 2007-03-06 |
| D529076 | Image drum cartridge | Atsushi Kobayashi, Shigenori Koido, Masayuki Suzuki, Yasushi Nakasone, Tetsuji Kojima +2 more | 2006-09-26 |
| 7006779 | Developer cartridge, image forming unit, and image forming apparatus | — | 2006-02-28 |
| 6934490 | Toner container, print process cartridge and image forming apparatus | Tetsu Koyama | 2005-08-23 |
| D501020 | Image drum cartridge | Tetsu Koyama | 2005-01-18 |
| 6830348 | Antiglare and antireflection film, polarizer, and image display device | Kazuhiro Nakamura, Naohiro Matsunaga, Tsutomu Arai, Hidekazu Yamazaki, Hirohisa Hokazono | 2004-12-14 |
| D491602 | Toner cartridge | Tetsu Koyama | 2004-06-15 |
| 6549738 | Image forming cartridge and image forming apparatus having a photoreceptor drum that rotates at a constant velocity and is stably grounded | Hiroaki Sato | 2003-04-15 |
| 6502943 | Antiglare and antireflection film, polarizer, and image display device | Kazuhiro Nakamura, Naohiro Matsunaga, Tsutomu Arai, Hidekazu Yamazaki, Hirohisa Hokazono | 2003-01-07 |
| 5510870 | Sheet-like material processing apparatus and photosensitive material processing apparatus | Teruo Kashino, Kazuhiro Nemoto, Futoshi Wada | 1996-04-23 |
| 5068681 | Drying air control method in an automatic developing machine and an automatic developing machine employing the method | Hiromitsu Kosugi, Teruo Kashino, Masakazu Andoh, Takeo Arai, Toshiharu Nagashima | 1991-11-26 |
| 4952960 | Drying air control method in an automatic developing machine and an automatic developing machine employing the method | Hiromitsu Kosugi, Teruo Kashino, Masakazu Andoh, Takeo Arai, Toshiharu Nagashima | 1990-08-28 |