Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7546049 | Image forming device with a control means to correct the fixing control temperature | Masanao Ehara, Ippei Fujimoto, Hiroshi Yoshinaga, Hirofumi Ogawa, Tadashi Ogawa +1 more | 2009-06-09 |
| 7509085 | Image forming apparatus, fixing apparatus and toner | Hiroshi Yoshinaga, Hiroyuki Shimada, Masanao Ehara, Hirofumi Ogawa, Tadashi Ogawa +1 more | 2009-03-24 |
| 7020421 | Magnetic carrier, two-component developer, development method, development device and image forming apparatus of electrophotography | Shigekazu Enoki, Osamu Ariizumi, Hisao Kurosu | 2006-03-28 |
| 6701100 | Image forming apparatus including an image carrier and a polarization uniforming structure | Takahiro Tamiya, Shigeru Watanabe | 2004-03-02 |
| 6597881 | Image forming apparatus | Satoshi Hatori, Takeshi Shintani, Shigekazu Enoki, Shinji Kato, Akinori Kobayashi | 2003-07-22 |
| 6163661 | Electrostatic image forming apparatus capable of reducing defective image transfer caused by free toner particles deposited on a corona discharger | Yuji Sawai, Toshiaki Motohashi, Katsuya Kawagoe | 2000-12-19 |
| 5890030 | Electrostatic image forming apparatus | Yuji Sawai, Toshiaki Motohashi, Katsuya Kawagoe | 1999-03-30 |
| 5697031 | Image forming apparatus and method for overlaid transfer of images | Takuro Kamiya | 1997-12-09 |
| 5640645 | Image forming apparatus | Katsuji Watabe, Yoshiyuki Kimura | 1997-06-17 |
| 5083160 | Image density control method and color image forming apparatus | Kohji Suzuki, Masao Masumura, Hajime Oyama | 1992-01-21 |
| 4989043 | Color-balance control method | Koji Suzuki, Hajime Oyama, Yuji Sawai, Hideo Yoo | 1991-01-29 |