Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904255 | Color image forming method and color image forming device | Atsushi Tano, Hiroki Ohta, Tsuneo Mizuno | 2005-06-07 |
| 6128463 | Image forming device | Yoshiya Matsumoto, Shigeo Nonoyama, Tetsuya Takei, Nobuo Kuwabara, Takefumi Takahashi +2 more | 2000-10-03 |
| 5852757 | Electrophotographic image forming apparatus having a device for recovering residual toner | Toshio Tooda, Yoshio Yamaguchi, Nobuo Kuwabara, Mituru Sato, Haruyasu Watanabe +5 more | 1998-12-22 |
| 5848343 | Electrophotographic image-forming apparatus with uniform toner usage control | Takefumi Takahashi, Shizuo Takano, Yoshio Yamaguchi, Akira Nagahara, Yoshiya Ishiyama +2 more | 1998-12-08 |
| 5530528 | Image forming apparatus having contact type, one-component developing unit | Yoji Houki, Makoto Matsuoka, Takeo Kojima, Akira Takahashi, Mitsuhito Furukawa | 1996-06-25 |
| 5164773 | Developing device used in electrophotographic field | Yukio Nishio, Yoshihiro Tonomoto, Kazunori Hirose | 1992-11-17 |