Issued Patents All Time
Showing 201–216 of 216 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751428 | Image forming device and detachably loaded process unit | — | 2004-06-15 |
| 6690903 | Photosensitive member cartridge | Shougo Sato, Tsutomu Suzuki | 2004-02-10 |
| 6546217 | Photosensitive member cartridge | Shougo Sato, Tsutomu Suzuki | 2003-04-08 |
| D471583 | Photosensitive drum unit | Makoto Ishii, Shigeharu Katayama | 2003-03-11 |
| D471228 | Toner cartridge | Makoto Ishii, Shigeharu Katayama | 2003-03-04 |
| 6411789 | Photosensitive member cartridge | Shougo Sato, Tsutomu Suzuki | 2002-06-25 |
| 6330410 | Photosensitive member cartridge | Shougo Sato, Tsutomu Suzuki | 2001-12-11 |
| 6101350 | Photosensitive member cartridge and developer cartridge for use in an image-forming apparatus | Tsutomu Suzuki, Shougo Sato | 2000-08-08 |
| D423559 | Image forming device for printer | Tsutomu Suzuki, Yasutake Yamaguchi | 2000-04-25 |
| D422304 | Toner cartridge | Tsutomu Suzuki, Yasutake Yamaguchi | 2000-04-04 |
| 6041203 | Process unit, photosensitive member cartridge, developer cartridge, and image forming apparatus | Tsutomu Suzuki, Shougo Sato | 2000-03-21 |
| 5987277 | System for transferring toner to and from a photosensitive drum in a printing process unit | — | 1999-11-16 |
| 5231453 | Image recording apparatus with rolled protective cover for process unit | Hitoshi Nakai, Shusaku Tsusaka, Soichiro Nishimura | 1993-07-27 |
| 5229824 | Developer material supplying device for integral type processing unit assembled in electrophotographic type image recording apparatus | Shusaku Tsusaka, Hitoshi Nakai, Soichiro Nishimura | 1993-07-20 |
| 5153640 | Image recording apparatus having a recording unit detachably assembled therein with a selectively opened portion | — | 1992-10-06 |
| 5074641 | Optical scanning device | Hitoshi Nakai | 1991-12-24 |