Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7933543 | Image forming apparatus with cleaning mode | Daizo Fukuzawa, Noriaki Sato, Tooru Imaizumi, Munehito Kurata, Kuniaki Kasuga | 2011-04-26 |
| 7630662 | Image forming apparatus for fixing an image on a recording material and a current detection circuit therefor | Teruhiko Namiki, Daizo Fukuzawa, Yasuhiro Shimura, Hiromitsu Kumada | 2009-12-08 |
| 6763203 | Image forming apparatus having transfer bias control function | Yoji Tomoyuki, Ken Nakagawa, Hikaru Osada | 2004-07-13 |
| 6377777 | Fluorine-containing resin-coated pressure roller and heat-fixing device | Kazuo Kishino, Yasumasa Ohtsuka, Toshihiko Ochiai, Masaaki Takahashi, Akira Hayakawa +4 more | 2002-04-23 |
| 6366745 | Image forming apparatus having a mechanism to clean a driving roller by a recording material | Nobukazu Adachi, Yasumasa Otsuka, Toshihiko Ochiai, Seietsu Miura, Takeshi Niimura +1 more | 2002-04-02 |
| 6175699 | Image fixing device with heater control | Akira Kato, Yasumasa Otsuka, Yoji Tomoyuki, Akira Hayakawa, Daizo Fukuzawa +3 more | 2001-01-16 |
| 5860052 | Image heating apparatus | Yasumasa Ohtsuka, Yohji Tomoyuki, Hideyuki Yano, Manabu Takano, Osamu Mukataka +2 more | 1999-01-12 |
| 5697037 | Fixing device and film for use in it | Hideyuki Yano, Yasumasa Ohtsuka, Naoki Konishi, Masafumi Matsumura | 1997-12-09 |
| 5691807 | Process cartridge and image forming apparatus with indicating means | Naoki Fuei | 1997-11-25 |