Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776501 | Color toner | Shigeto Tamura, Ryoichi Fujita, Makoto Kambayashi | 2010-08-17 |
| 7361441 | Color toner, and full-color image-forming method | Takayuki Itakura, Takaaki Kotaki, Kazuhiko Hayami, Nozomu Komatsu | 2008-04-22 |
| 7244539 | Magnetic carrier and two-component developer | Yoshinobu Baba, Ryoichi Fujita, Kazuo Terauchi | 2007-07-17 |
| 7229727 | Color toner, and full-color image forming method | Takayuki Itakura, Takaaki Kotaki, Kazuhiko Hayami, Nozomu Komatsu | 2007-06-12 |
| 7147980 | Toner and image forming apparatus | Takayuki Itakura, Takaaki Kotaki, Yasuhiro Ichikawa, Wakashi Iida, Hiroyuki Fujikawa +3 more | 2006-12-12 |
| 6905808 | Color toner, and full-color image forming method | Takayuki Itakura, Takaaki Kotaki, Kazuhiko Hayami, Nozomu Komatsu | 2005-06-14 |
| 6751424 | Image-forming method in high-speed mode and in low-speed mode | Nozomu Komatsu, Takaaki Kotaki, Makoto Kanbayashi, Wakashi Iida, Nobuyoshi Sugahara +2 more | 2004-06-15 |
| 6664016 | Magenta toner | Makoto Kanbayashi, Takaaki Kotaki, Katsumi Kondo, Yasuhiro Ichikawa, Wakashi Iida +1 more | 2003-12-16 |
| 6605405 | Electrophotographic method and electrophotographic apparatus | Hironori Owaki, Toshiyuki Ehara, Yuji Nakayama, Masaya Kawada, Tetsuya Karaki | 2003-08-12 |
| 6537714 | Image-forming method and image-forming apparatus | Takaaki Kotaki, Makoto Kanbayashi, Yushi Mikuriya, Katsumi Kondo, Wakashi Iida | 2003-03-25 |
| 6240269 | Image forming apparatus having a photosensitive member of amorphous silicon base and system for exposing and charging the photosensitive member | Masaya Kawada, Tetsuya Karaki, Toshiyuki Ehara, Yuji Nakayama | 2001-05-29 |
| 6233417 | Image forming apparatus | Yuji Nakayama, Koji Yamazaki, Masaya Kawada, Hironori Owaki | 2001-05-15 |
| 6226479 | Electrophotographic photosensitive member and image forming apparatus | Tetsuya Karaki, Yuji Nakayama, Masaya Kawada | 2001-05-01 |
| 6171742 | Photosensitive member to be used for image-forming apparatus and image-forming apparatus comprising such photosensitive member | Masaya Kawada, Tetsuya Karaki | 2001-01-09 |
| 6108502 | Photosensitive member to be used for image-forming apparatus and image-forming apparatus comprising such photosensitive member as well as image forming process | Masaya Kawada, Tetsuya Karaki | 2000-08-22 |
| 5983043 | Potential measuring apparatus and potential measuring method | Hironori Ohwaki, Koji Yamazaki, Toshiyuki Ehara, Masaya Kawada, Tetsuya Karaki | 1999-11-09 |