Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12210301 | Image forming apparatus | Ken Yokoyama, Masaru Tsukada | 2025-01-28 |
| 8471178 | Image heating apparatus and heater used for the image heating apparatus | Satoru Taniguchi | 2013-06-25 |
| 8068778 | Image heating apparatus and endless belt used for image heating apparatus | Toshiya Kaino, Akihito Kanamori, Satoru Taniguchi, Takashi Honke | 2011-11-29 |
| 7518089 | Image heating apparatus including flexible metallic sleeve, and heater used for this apparatus | Shinji Hashiguchi, Koji Nihonyanagi, Eiji Uekawa | 2009-04-14 |
| 7251447 | Image heating apparatus and conveying roller for use therein | Akihito Kanamori, Satoru Izawa, Fumiki Inui, Eiji Uekawa, Shinji Hashiguchi +3 more | 2007-07-31 |
| 7190914 | Image heating apparatus having heater for externally heating fixing roller | Koji Nihonyanagi, Shinji Hashiguchi | 2007-03-13 |
| 6915099 | Heat fixing apparatus | Satoru Izawa, Akihito Kanamori | 2005-07-05 |
| 6701102 | Method and apparatus for controlling the temperature in a fixing device of an image forming apparatus | Toshio Miyamoto, Satoru Izawa, Masahiko Suzumi, Kenji Kanari | 2004-03-02 |
| 6493521 | Image forming apparatus | Toshio Miyamoto, Satoru Izawa, Masahiko Suzumi | 2002-12-10 |
| 6347211 | Fixing apparatus preventing leakage of electric current from inner surface of fixing roller | Hideo Nanataki, Koichi Tanigawa, Yasumasa Ohtsuka, Takayasu Yuminamochi, Akihiko Takeuchi | 2002-02-12 |
| 6108500 | Image forming apparatus | Yuko Ohkama, Masami Takeda, Yozo Hotta | 2000-08-22 |
| 6085058 | Image forming apparatus having transfer rotary member with surface friction greater than that of image bearing member | Masahiro Goto, Toshio Miyamoto, Yuko Ohkama | 2000-07-04 |
| 6075228 | Image heating device with bimetal thermoprotector | Masahiro Goto, Yuko Okama, Yozo Hotta | 2000-06-13 |
| 6005594 | Fixing apparatus having a fixing roller with a non-adhesive surface layer | Hideo Nanataki, Koichi Tanigawa, Yasumasa Ohtsuka, Takayasu Yuminamochi, Akihiko Takeuchi | 1999-12-21 |
| 5991555 | Image forming apparatus | Masahiko Suzumi, Masahiro Goto | 1999-11-23 |
| 5682576 | Fixing device | Hiroaki Sakai, Masaharu Ohkubo, Norio Hashimoto, Takayasu Yuminamochi, Kazuaki Ono +2 more | 1997-10-28 |
| 5589924 | Electrophotographic image forming system | Hideyuki Yano, Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Yasumasa Otsuka +2 more | 1996-12-31 |
| 5519472 | Developing apparatus using elastic blade | Masaki Ojima, Masaharu Ohkubo, Hiroki Kisu, Kazushige Sakurai, Michihito Yamazaki +6 more | 1996-05-21 |
| 5321482 | Process cartridge and image forming apparatus including a lubricant provided on a cleaning member for cleaning an image bearing member | Hideyuki Yano, Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Yasumasa Otsuka +2 more | 1994-06-14 |
| 5286917 | Apparatus for developing electrostatic latent image and developing roller therefor | Akira Unno, Fumihiro Arahira | 1994-02-15 |
| 5253022 | Image forming apparatus | Akihiko Takeuchi, Takayasu Yuminamochi, Koichi Tanigawa, Yasumasa Ohtsuka, Hiroki Kisu | 1993-10-12 |
| 5235386 | Charging device having charging member, process cartridge and image forming apparatus | Hideyuki Yano, Koichi Tanigawa, Akihiko Takeuchi, Hiroshi Sasame, Yasumasa Ohtsuka +3 more | 1993-08-10 |
| 5202729 | Developing apparatus having a coated developing roller | Toshio Miyamoto, Yasushi Sato, Akihiko Takeuchi, Hiroshi Sasame, Katsuhiko Nishimura +4 more | 1993-04-13 |
| 5179397 | Image forming apparatus with constant voltage and constant current control | Yukihiro Ohzeki, Tatsunori Ishiyama, Koichi Hiroshima, Junji Araya, Yasushi Sato +5 more | 1993-01-12 |
| 5177537 | Developing apparatus with elastic regulating member urged to a developer carrying member | Keiji Okano, Toshio Miyamoto, Katsuhiko Nishimura, Tatsunori Ishiyama | 1993-01-05 |