Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8593701 | Optical scanning device and image forming apparatus | Tadashi Nakamura, Akira Kojima, Tomohiro Nakajima | 2013-11-26 |
| 8363297 | Optical scanning device and image forming apparatus | Tomohiro Nakajima | 2013-01-29 |
| 8081203 | Light-amount detecting device, light source device, optical scanning unit and image forming apparatus | Kensuke Masuda, Tomohiro Nakajima, Satoru Itoh, Daisuke Ichii, Yoshinori Hayashi | 2011-12-20 |
| 6867890 | Method and apparatus for optical scanning capable of reducing a dot position displacement and a dot diameter variation | Seizo Suzuki, Junichi Yazawa, Yoshinori Hayashi | 2005-03-15 |
| 6788444 | Method and apparatus for optical scanning capable of reducing a dot position displacement and a dot diameter variation | Seizo Suzuki, Junichi Yazawa, Yoshinori Hayashi | 2004-09-07 |