Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841665 | Image forming apparatus | Kazuhisa Koizumi, Yosuke Hata | 2023-12-12 |
| 11815828 | Developing device | Koichiro Ino, Yosuke Hata, Masaaki Moriya, Norio Negishi | 2023-11-14 |
| 10451994 | Image forming apparatus capable of correcting position of image formed on image bearing member | — | 2019-10-22 |
| 8867946 | Image forming system using pattern images for image forming on two sides of a sheet | — | 2014-10-21 |
| 7742189 | Optical scanning apparatus | — | 2010-06-22 |
| 7719559 | Image forming apparatus, optical scanning apparatus, and auto light power control method | — | 2010-05-18 |
| 7688342 | Image forming apparatus and control method thereof | — | 2010-03-30 |
| 7376368 | Water content determination apparatus, image forming apparatus, control method, and program | Masayoshi Taira, Toshifumi Kakutani, Takashi Sugiura, Shinichi Takata, Yushi Oka +1 more | 2008-05-20 |
| 7277113 | Method and apparatus for image forming | Masayoshi Taira, Toshifumi Kakutani, Takashi Sugiura, Shinichi Takata, Yushi Oka +1 more | 2007-10-02 |
| 7209273 | Image forming apparatus and image forming method | — | 2007-04-24 |
| 6795099 | Laser beam with controllable light quantity feature usable in an image forming apparatus | Katsuhide Koga | 2004-09-21 |