Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9112412 | Full-bridge power converter | Hideki Shoji, Seiji Kawaberi | 2015-08-18 |
| RE38978 | Toner transporting method and mechanism employing a belt conveyor | Atsushi Kobayashi | 2006-02-14 |
| 6882811 | Image drum cartridge and developing unit having a movable developing roller | Masahiro Fukuda, Atsushi Kobayashi | 2005-04-19 |
| 6496671 | Toner cartridge with locking toner discharge opening | — | 2002-12-17 |
| D462379 | Image drum cartridge | Junichi Ito, Sinichi Otani, Atsushi Kobayashi, Yoshiharu Momiyama | 2002-09-03 |
| 6363233 | Compact toner cartridge with fresh and waste toner chambers | — | 2002-03-26 |
| D451539 | Toner cartridge | Junichi Ito, Sinichi Otani, Atsushi Kobayashi, Yoshiharu Momiyama | 2001-12-04 |
| D450752 | Toner cartridge | Junichi Ito, Sinichi Otani, Atsushi Kobayashi, Yoshiharu Momiyama | 2001-11-20 |
| D450344 | Image drum cartridge | Junichi Ito, Sinichi Otani, Atsushi Kobayashi, Yoshiharu Momiyama | 2001-11-13 |
| 6290802 | Method of manufacturing laminate and grommet used for the method | — | 2001-09-18 |
| 6151472 | Toner cartridge and drum cartridge for receiving the toner cartridge therein | — | 2000-11-21 |
| 6134410 | Toner cartridge and drum cartridge for receiving the toner cartridge therein | — | 2000-10-17 |
| 6120670 | Method of fabricating a multi-layered printed wiring board | — | 2000-09-19 |
| 6112037 | Color image forming apparatus having a controller for setting printing speeds in dependence on a detected number of colors in an image signal | Masato Nagata, Hisao Ono, Yoshiharu Momiyama, Noboru Otaki, Atsushi Kurabayashi +8 more | 2000-08-29 |
| 6061537 | Electrophotographic printer | Atsushi Kobayashi | 2000-05-09 |
| 6021292 | Toner cartridge and toner collecting mechanism | Takashi Wakana | 2000-02-01 |
| 5983042 | Color image forming apparatus having a printing mechanism selectively movable to operative and non-operative positions | Masato Nagata, Hisao Ono, Yoshiharu Momiyama, Noboru Otaki, Atsushi Kurabayashi +8 more | 1999-11-09 |
| 5975518 | Paper feeding mechanism | Takashi Wakana | 1999-11-02 |
| 5963815 | Method for forming a surface-roughened conductive film on a semiconductor wafer | Yoshihiko Okamoto, Tadashi Yoshida, Hiroshi Ohnishi, Kenichi Hanaoka, Junichi Tsuchimoto | 1999-10-05 |
| 5956556 | Toner recycling method and mechanism employing a belt conveyor | Atsushi Kobayashi | 1999-09-21 |
| 5737664 | Overheating prevention device for a fixing unit | Masahiro Fukuda, Koji Morimoto, Takashi Wakana, Takao Uchida, Naoki Sunaga | 1998-04-07 |
| 5722019 | Toner cartridge and drum cartridge for receiving the toner cartridge therein | — | 1998-02-24 |
| D389860 | Toner cartridge | Yukio Ota, Yoshiharu Momiyama | 1998-01-27 |
| 5419544 | Paper cassette and paper cassette insertion mechanism | Ichiro Ono, Masahiro Fukuda | 1995-05-30 |
| D356815 | Toner cartridge | Yukio Ota, Yoshiharu Momiyama | 1995-03-28 |