Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7853181 | Developing unit and image forming apparatus using the same | Tsutomu Sugimoto, Osamu Wakuda | 2010-12-14 |
| 7702266 | Image forming apparatus provided with one-component development apparatus | Eiichi Kido, Hiroaki Nakaya, Takayuki Yamanaka | 2010-04-20 |
| 7567764 | Developing device having thickness regulating member and image forming apparatus | Takayuki Yamanaka, Eiichi Kido, Atsushi Inoue, Hiroaki Nakaya | 2009-07-28 |
| 7546071 | Developing device for prevention of coagulate toner adherence and image forming apparatus using the developing device | Atsushi Inoue, Takayuki Yamanaka, Hiroaki Nakaya | 2009-06-09 |
| 5619312 | Developing device with developer-supplying mechanism | Shintarou Hatano, Hiroshi Kawahito, Yoshiki Ichikawa, Fumito Mizoguti, Masahiro Tsuji +5 more | 1997-04-08 |
| 5477308 | Image forming apparatus having an image-quality correction function | Kazuyuki Ohnishi, Yasutaka Maeda, Yoichi Shimazawa, Mihoko Okada, Shin-ichirou Ohhashi +1 more | 1995-12-19 |
| 5343282 | Color balance adjusting apparatus for full-color copier | Yasutaka Maeda, Hiroshi Kawamoto, Hideyuki Nishimura, Katsuhiro Nagayama | 1994-08-30 |
| 5204729 | Full color copying machine | Yasutaka Maeda, Taisuke Kamimura, Hideyuki Nishimura, Tsuyoshi Miyamoto, Katsuhiro Nagayama +1 more | 1993-04-20 |