Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8215757 | Ink jet apparatus and liquid circulating method | Masashi Hiroki, Satoshi Kaiho | 2012-07-10 |
| 8120823 | Optical beam scanning apparatus, image forming apparatus | — | 2012-02-21 |
| 8094353 | Cylindrical lens, optical beam scanning apparatus using the same, image forming apparatus, and method of manufacturing the lens | — | 2012-01-10 |
| 8081363 | Optical beam scanning apparatus and image forming apparatus | — | 2011-12-20 |
| 7777923 | Optical beam scanning apparatus, image forming apparatus | — | 2010-08-17 |
| 7777775 | Optical beam scanning apparatus, image forming apparatus | — | 2010-08-17 |
| 7714884 | Optical multi-beam scanning device and image forming apparatus | — | 2010-05-11 |
| 7715075 | Optical beam scanning apparatus and image forming apparatus | — | 2010-05-11 |
| 7554568 | Optical beam scanning device and diaphragm device capable of adjusting light quantity distribution | — | 2009-06-30 |
| 7443415 | Optical beam scanning device and image forming apparatus having window for polygon mirror cover | — | 2008-10-28 |
| 7304660 | Optical beam scanning device and diaphragm device capable of adjusting light quantity distribution | — | 2007-12-04 |
| 7280130 | Optical multi-beam scanning device and image forming apparatus | — | 2007-10-09 |
| 7274484 | Image forming apparatus | — | 2007-09-25 |
| 7193760 | Optical scanning device and image forming apparatus | — | 2007-03-20 |
| 5159850 | Parking-brake operating device | Yasushi Naoi, Kenichi Kobayashi, Harutoshi Ota | 1992-11-03 |
| 4373335 | Supercharge system of an internal combustion engine | — | 1983-02-15 |