Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8655224 | Image forming apparatus | Masaaki Tokunaga | 2014-02-18 |
| 8285169 | Feeding apparatus and image forming apparatus | Masakazu Shirai, Masaaki Tokunaga | 2012-10-09 |
| 8041246 | Image forming apparatus including a separable cleaning member and image forming method including controlling a seperable cleaning member | Hiroyuki Koide, Koichi Sato | 2011-10-18 |
| 7076189 | Image forming apparatus with simplified removal of components | — | 2006-07-11 |
| 6430379 | Image forming apparatus using intermediate transfer medium | Masaaki Takahashi, Masao Ohkubo, Takashi Kawabata, Yukio Hayashi, Yoko Miyamoto +1 more | 2002-08-06 |
| 6349192 | Tandem type image forming apparatus | Shuji Iseki, Minoru Niwa, Takashi Kawabata, Yukio Hayashi, Masaaki Takahashi +3 more | 2002-02-19 |
| 6347196 | Image sticking reducing method and apparatus | Takashi Kawabata, Shuji Iseki, Keiji Yamamoto, Naoto Nishi, Nobuyoshi Komatsu +3 more | 2002-02-12 |
| 6341205 | Image forming apparatus with cleaning bias feature | Masaaki Takahashi | 2002-01-22 |
| 6175711 | Image forming apparatus having a toner diffuser | Tatsuya Soga, Naoto Nishi, Yukio Hayashi, Takashi Kawabata, Shuji Iseki +3 more | 2001-01-16 |
| 6104899 | Image forming apparatus capable of reducing the skew of an image formed on a sheet | Norio Hokari, Takashi Kawabata, Keiji Yamamoto, Naoto Nishi, Nobuyoshi Komatsu +3 more | 2000-08-15 |
| 5893022 | Image forming apparatus | Masao Ohkubo, Fumio Furusawa, Yukio Hayashi, Osamu Handa | 1999-04-06 |
| 5511744 | Roll paper feeding apparatus facilitating roll paper setting operation | Takashi Abe, Takeshi Okoshi, Hiroyasu Ishizuka | 1996-04-30 |