Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9400396 | Diffractive optical element and image pickup optical system | — | 2016-07-26 |
| 9335557 | Diffractive optical element having high diffraction efficiency at plural wavelengths and image-pickup optical system using the same | — | 2016-05-10 |
| 7224503 | Optical scanning apparatus and image forming apparatus using the same | — | 2007-05-29 |
| 7031039 | Optical scanning apparatus and image forming apparatus using the same | — | 2006-04-18 |
| 7016092 | Optical scanning apparatus and image forming apparatus using the same | — | 2006-03-21 |
| 6987594 | Optical scanning apparatus | — | 2006-01-17 |
| 6519070 | Optical scanning apparatus, multi-beam optical scanning apparatus, and image forming apparatus using the same | — | 2003-02-11 |
| 6504558 | Image forming apparatus with laser emission control | — | 2003-01-07 |
| 6501586 | Optical scanning apparatus and image-forming apparatus | — | 2002-12-31 |
| 6459520 | Optical scanning apparatus and image forming apparatus using it | — | 2002-10-01 |
| 6239885 | Image reading apparatus and adjusting method for the same | Hiroshi Sato, Hidekazu Shimomura | 2001-05-29 |
| 6081389 | Zoom lens of retrofocus type | Hiroki Nakayama, Akihisa Horiuchi, Fumihito Wachi | 2000-06-27 |
| 5896472 | Image forming apparatus | — | 1999-04-20 |