Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7010256 | Image heating apparatus having recording medium conveying nip nonuniform in pressure distribution | Masatake Usui, Kenya Ogawa, Katsuhiko Oba, Shunichi Ebihara | 2006-03-07 |
| 6998589 | Image heating apparatus using flexible sleeve and sleeve thereof | Masahiro Suzuki, Katsuhisa Matsunaka | 2006-02-14 |
| 6823146 | Image forming apparatus and self-diagnosis system | Hisahiro Saito, Kazuhisa Maruyama | 2004-11-23 |
| 6801743 | Image forming apparatus with transferring member having ion conductivity | — | 2004-10-05 |
| 6782230 | Fixing belt, and image heat fixing assembly | Zhou Yaomin, Kazuo Kishino, Masahiro Suzuki, Koji Sasaki | 2004-08-24 |
| 6670044 | Laminate film, fixing film and image heating apparatus using same | Tomonori Shida, Kazuo Kishino, Masaaki Takahashi, Atsuyoshi Abe, Masahiro Suzuki | 2003-12-30 |
| 6564033 | Fixing belt and image heating and fixing apparatus | Yaomin Zhou, Kazuo Kishino, Masahiro Suzuki, Kouji Sasaki | 2003-05-13 |
| 6477339 | Image forming apparatus with current detector and voltage control based on detection result | Kazuhiro Funatani | 2002-11-05 |
| 6477348 | Image forming apparatus | Takayuki Miyamoto, Kazuhiro Funatani, Kenji Watanabe | 2002-11-05 |
| 6473574 | Image forming apparatus with plural transfer means and selecting mechanism for selecting from among a plurality of image bearing members | Masatake Usui, Akihiko Takeuchi, Akihiko Uchiyama, Kazuhiro Funatani | 2002-10-29 |
| 6466755 | Image forming apparatus which a developing roll is capable of contacting with and spacing from | Michio Uchida | 2002-10-15 |
| 6385428 | Self-cleaning image forming apparatus | Michio Uchida, Masatake Usui | 2002-05-07 |
| 6301455 | Charging member, charging device and image forming apparatus wherein deposition of magnetic particles to a member to be charged is effectively prevented | Harumi Ishiyama, Yasushi Sato, Tadashi Furuya, Yasunori Chigono, Seiji Mashimo | 2001-10-09 |
| 6301459 | Charging apparatus with first and second charging members | Harumi Ishiyama, Yasushi Sato, Tadashi Furuya, Yasunori Chigono, Seiji Mashimo | 2001-10-09 |
| 6157800 | Charging device using a magnetic brush contactable to a member to be charged and image forming apparatus using same | Harumi Ishiyama, Tadashi Furuya | 2000-12-05 |
| 6061539 | Charging member, charging device and image forming apparatus | Harumi Ishiyama, Yasushi Sato, Tadashi Furuya, Yasunori Chigono, Seiji Mashimo | 2000-05-09 |
| 6026268 | Color image forming apparatus with intermediate transfer member | Motohide Shiozawa | 2000-02-15 |
| 5974281 | Image forming apparatus using intermediate transfer member | Haruo Fujii, Koichi Hiroshima | 1999-10-26 |
| 5963762 | Electrophotographic apparatus performing image exposure and development simultaneously | Tadashi Furuya, Junji Araya, Harumi Kugo, Osamu Iwasaki | 1999-10-05 |
| 5860052 | Image heating apparatus | Yasumasa Ohtsuka, Yohji Tomoyuki, Manabu Takano, Mahito Yoshioka, Osamu Mukataka +2 more | 1999-01-12 |
| 5809379 | Electrophotography having photosensitive member with charge blocking overlayer | Yasushi Sato, Junji Araya, Yukihiro Ohzeki, Harumi Kugoh, Katsuhiro Sakaizawa +2 more | 1998-09-15 |
| 5708932 | Charging system and electrophotography apparatus | Akio Maruyama, Yomishi Toshida, Noboru Kashimura, Kazushige Nakamura, Shoji Amamiya +2 more | 1998-01-13 |
| 5697037 | Fixing device and film for use in it | Yasumasa Ohtsuka, Mahito Yoshioka, Naoki Konishi, Masafumi Matsumura | 1997-12-09 |
| 5606401 | Charging device including movable charging brush contactable to member to be charged, and image forming apparatus using same | — | 1997-02-25 |
| 5589924 | Electrophotographic image forming system | Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Yasumasa Otsuka, Hiroto Hasegawa +2 more | 1996-12-31 |