Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7308219 | Image heating apparatus including an endless belt and belt cooling mechanism | — | 2007-12-11 |
| 6892945 | Structure for preventing extraneous light from entering image reading apparatus | — | 2005-05-17 |
| 6387688 | DNA fragments having basidiomycete-derived promoter activity and expression of foreign genes under control of the promoter activity | Susumu Kajiwara, Akira Tsukamoto | 2002-05-14 |
| 6081688 | Both-face automatic original feeding apparatus | Tamotsu Okada, Hiroyoshi Maruyama, Yasumi Yoshida, Masahiko Yashiro, Noriaki Koyanagi | 2000-06-27 |
| 5828928 | Process cartridge mountable in an image forming system and a method for assembling a cleaning device | Yoshikazu Sasago, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe +10 more | 1998-10-27 |
| 5726774 | Document reading device with light-shielding member that prevents a local temperature increase in a document placing table | Hiroyoshi Maruyama | 1998-03-10 |
| 5689774 | Process cartridge and image forming apparatus using such a process cartridge | Shinichi Sasaki, Isao Ikemoto, Masahiko Yashiro, Toshiyuki Karakama, Atsushi Numagami | 1997-11-18 |
| 5681036 | Sheet feeding device with control of skew-correction | Shinichiro Wakahara, Yasumi Yoshida | 1997-10-28 |
| 5623328 | Process cartridge and image forming system on which process cartridge is mountable | Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago +9 more | 1997-04-22 |
| 5594531 | Electrophotographic apparatus employing cylindrical member having space controlling member and press-fitted flange | Shinichi Sasaki, Koji Miura | 1997-01-14 |
| 5585889 | Process cartridge and image forming apparatus | Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Minoru Sato, Shigeo Miyabe +1 more | 1996-12-17 |
| 5579085 | Image forming apparatus and detachable process cartridge having press-fitted flange to cylinder | Shigeo Miyabe, Hiroo Kobayashi, Koji Miura | 1996-11-26 |
| 5543898 | Process cartridge, method for assembling process cartridge and image forming apparatus | Shinichi Sasaki, Isao Ikemoto, Masahiko Yashiro, Toshiyuki Karakama, Atsushi Numagami | 1996-08-06 |
| 5528341 | Process cartridge with rotary member having bearing attachment portions of different diameters, and method for refusing such a rotary member | Hiroaki Miyake, Yoshiya Nomura, Kenji Matsuda, Minoru Sato | 1996-06-18 |
| 5452056 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Yoshiya Nomura, Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Minoru Sato +2 more | 1995-09-19 |
| 5331373 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Yoshiya Nomura, Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Minoru Sato +2 more | 1994-07-19 |
| 5283619 | Developing apparatus and process cartridge having same | Yoshiya Nomura, Hironobu Isobe, Kouji Miura | 1994-02-01 |
| 5283616 | Developing device having bearing for supporting a developing roller | Atsushi Numagami | 1994-02-01 |
| 5272505 | Charging device, process unit having same and image forming apparatus using process unit | Yasushi Sato, Shinichi Sasaki, Hiroaki Miyake, Yoshiya Nomura | 1993-12-21 |
| 5208634 | Process cartridge detachably mountable to image forming apparatus featuring an injectable sealing member | Isao Ikemoto, Tadayuki Tsuda, Kazushi Watanabe, Kazuhiko Ishiwata, Kanji Yano +4 more | 1993-05-04 |
| 5126800 | Process cartridge and image forming apparatus usable with same featuring selectively engageable drive mechanism | Tadayuki Tsuda, Makoto Tanaka, Shinichi Sasaki, Takashi Hibi | 1992-06-30 |