Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9958672 | Optical scanning device, image forming apparatus | Aiichiro Otana | 2018-05-01 |
| 9529296 | Method for adjusting position of light beam sensor | — | 2016-12-27 |
| 9488930 | Developing device and image forming apparatus | — | 2016-11-08 |
| 9387689 | Optical scanning device and method for adjusting position of light beam sensor | — | 2016-07-12 |
| 9285709 | Developing device provided with toner concentration detection section and image forming apparatus provided with same | Yu Sasaki | 2016-03-15 |
| 9274453 | Developing roller, developing device, and image forming apparatus including developing device | Yasuhiro Oishi, Yuji Kamiyama, Akihiro Watanabe, Tamotsu Shimizu, Shizuka Okada +1 more | 2016-03-01 |
| 9217951 | Image forming apparatus with leakage detecting unit for detecting leakage | Masashi Fujishima, Tamotsu Shimizu | 2015-12-22 |
| 9213183 | Mounting auxiliary member and optical scanning device including the same | — | 2015-12-15 |
| 9122193 | Developing roller, developing device, and image forming apparatus including developing device | Yuji Kamiyama, Akihiro Watanabe, Tamotsu Shimizu, Shizuka Okada, Sakae Saito +6 more | 2015-09-01 |
| 9122194 | Developing roller, developing device, and image forming apparatus including developing device | Tamotsu Shimizu, Yuji Kamiyama, Akihiro Watanabe, Shizuka Okada, Sakae Saito +1 more | 2015-09-01 |
| 8493427 | Optical scanning apparatus and image forming apparatus provided with the same | Tsuneo Oki | 2013-07-23 |
| 8432427 | Optical scanning apparatus and image forming apparatus including same | Aiichiro Otana | 2013-04-30 |