Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7432481 | Induction heating method and unit | Naoki Uchida, Keiji Kawanaka, Kazuhiro Ozaki | 2008-10-07 |
| 7230216 | Induction heating method and unit | Naoki Uchida, Keiji Kawanaka, Kazuhiro Ozaki | 2007-06-12 |
| 7202451 | Induction heating method and unit | Naoki Uchida, Keiji Kawanaka, Kazuhiro Ozaki | 2007-04-10 |
| 5839047 | Sheet-size detection mechanism for sheet cassettes and image-forming-apparatus using the same | Yoshihiro Hirabayashi, Hiroyuki Okitsu | 1998-11-17 |
| 5581338 | Toner image transferring device including transfer charger and AC charge eliminator crystal display device | Kiyoshi Nakamichi, Kenji Fuke, Yoshito Hukata | 1996-12-03 |
| 5543903 | Heat roller type toner image fixing device having cleaning roller | Nobuo Fujita, Masato Kawashima, Akihiro Komuro, Susumu Fujishima, Toshihiro Matsui | 1996-08-06 |
| 5541714 | Developer cartridge and image forming apparatus using the same | Mamoru Watanabe, Michihiro Fujii, Masato Kawashima | 1996-07-30 |
| 5450178 | Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus | Masato Kawashima, Mamoru Watanabe, Masanao Nagakura | 1995-09-12 |
| 5443255 | Paper transport mechanism | Koji Hirata, Shigenori Sasaki | 1995-08-22 |
| 5432592 | Developer cartridge and image forming apparatus using the same | Mamoru Watanabe, Michihiro Fujii, Masato Kawashima | 1995-07-11 |
| D356107 | Developing cartridge for copier | Mamoru Watanabe, Masato Kawashima, Michihiro Fujii | 1995-03-07 |
| 5368290 | Paper transport mechanism | Koji Hirata, Shigenori Sasaki | 1994-11-29 |
| 5233401 | Two-sided printing apparatus | Shigenori Sasaki, Nobuo Fujita | 1993-08-03 |