Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11415907 | Optical head, image forming apparatus, image reading apparatus, and method of producing optical head | — | 2022-08-16 |
| 11199650 | Lens unit, exposure device, reading head, image forming apparatus, and image reading apparatus | Ren Nakamichi, Akihiro Yamamura | 2021-12-14 |
| 10281836 | Image forming apparatus | — | 2019-05-07 |
| 10009501 | Optical print head, image forming apparatus, and method of manufacturing the optical print head | Takahito Suzuki, Manabu Imai | 2018-06-26 |
| 9471000 | Exposure device and image formation apparatus having thermally-conductive sealant | — | 2016-10-18 |
| 8547411 | Exposure device, LED head and image forming device | Yo Kishikawa | 2013-10-01 |
| 8390662 | Exposing device having light emitting elements and image forming apparatus using the same | Takao Sakai | 2013-03-05 |
| 8305418 | Exposure device and image forming apparatus having a forcing portion | — | 2012-11-06 |
| 7760224 | Exposure device and image forming apparatus with supporting member for focusing lens and light emitting element array | — | 2010-07-20 |
| 6809752 | Optical head and image forming apparatus | — | 2004-10-26 |
| 6801232 | Distance maintaining member between optical head and image drum | Norio Nakajima, Yu Kobayashi | 2004-10-05 |
| 6397021 | Image forming apparatus | Kuniharu Hayashi, Tsutomu Yamane, Hiroyuki Yajima, Tatsuya Murakami | 2002-05-28 |
| 6009299 | Electrophotographic imaging apparatus using multi-layered toner | Toru Ishihara, Koichi Matsuzaki, Kuniharu Hayashi | 1999-12-28 |
| 5839021 | Developing unit for an electrophotographic printer employing a supply roller for transferring toner to a developing roller | Kuniharu Hayashi, Koichi Matsuzaki | 1998-11-17 |