Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11371416 | Control valve | — | 2022-06-28 |
| 11280415 | Valve device | Masao Ino | 2022-03-22 |
| 10858972 | Oil pressure control device | Yuuichi Murata, Ken Suzuki | 2020-12-08 |
| 10527513 | Pressure sensor with resin portion and membrane having reduced temperature change distortion | Kazuyuki Oono | 2020-01-07 |
| 10401230 | Temperature sensor and mounting structure for same | Kazuaki FUJISAWA, Yoshifumi Watanabe | 2019-09-03 |
| 8387010 | Automatic software configuring system | Fumio Narisawa, Kentaro Yoshimura, Yuichiro Morita, Nobuhisa Motoyama, Junji Miyake | 2013-02-26 |
| 7233752 | Process cartridge and electrophotographic image forming apparatus | Kinya Harada, Tachio Kawai | 2007-06-19 |
| 7027754 | Process cartridge and electrophotographic image forming apparatus | Kinya Harada, Tachio Kawai | 2006-04-11 |
| 6735403 | IMAGE FORMING APPARATUS TO WHICH A DEVELOPING CARTRIDGE OR PROCESS CARTRIDGE ARE DETACHABLY MOUNTABLE COMPRISING DRIVING CONTROL MEANS FOR PERMITTING AND PREVENTING TRANSMISSION OF A DRIVING FORCE TO A WINDING MEMBER | Kazuhiko Kanno, Tatsuya Shiratori, Tachio Kawai | 2004-05-11 |
| 6654583 | Developing apparatus | Tatsuya Suzuki, Kojiro Yasui, Susumu Nittani | 2003-11-25 |
| 6560422 | DEVELOPMENT CARTRIDGE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS, AND TONER SEAL MEMBER FOR UNSEALING AN OPENING FOR SUPPLYING DEVELOPER BY AUTOMATICALLY WINDING UP THE TONER SEAL MEMBER | Kazuhiko Kanno, Tatsuya Shiratori, Tachio Kawai | 2003-05-06 |
| 6415127 | Developing apparatus having a direct or alternating current applied thereto | Shinya Yamamoto, Hiroshi Sasame, Tetsuya Kobayashi, Yasunari Watanabe | 2002-07-02 |
| 6298203 | Developing apparatus featuring suppressed deviation of a positional relationship between a developer bearing member and a developer regulator member and method for assembling the apparatus | Akiyoshi Fujita | 2001-10-02 |
| 6246853 | Toner container, development cartridge, and process cartridge | Akira Suzuki, Kenshiro Abe, Shinichi Sasaki | 2001-06-12 |
| 6229979 | Developing charging member supplied with a voltage of a same polarity as that of a developer and not less than a charge starting voltage and a developing charging roller with internal bearing | Yasuyuki Ishii, Tadayuki Tsuda, Shinichi Sasaki, Kanji Yokomori, Toru Oguma +1 more | 2001-05-08 |
| 6196984 | Portable message device | — | 2001-03-06 |
| 6151459 | Development cartridge and image forming apparatus | Yoshiro Tsuchiya, Kenji Matsuda | 2000-11-21 |
| 6144820 | Developing apparatus with a sealing member having an insulating layer and a conductive portion | Yasuyuki Ishii, Kenji Matsuda, Akiyoshi Fujita, Nobuharu Hoshi, Norio Takami +1 more | 2000-11-07 |
| 6101352 | Developing cartridge for developing an electrostatic image formed on an image bearing member with toner and being detachably mountable to a main assembly of an image forming apparatus | Yoshiro Tsuchiya, Kenji Matsuda | 2000-08-08 |
| 6064844 | Developing apparatus | Hironobu Isobe | 2000-05-16 |
| 6056709 | Portable massage device | — | 2000-05-02 |
| 6044235 | Process cartridge having raised fabric-like cleaning member | — | 2000-03-28 |
| 6016408 | Developer cartridge for developing a latent image detachably mountable to a main assembly of an image forming apparatus | Yoshiro Tsuchiya, Kenji Matsuda | 2000-01-18 |
| 5949609 | Recording and/or reproducing apparatus having a tape loading device | Hidetoshi Matsuoka, Junji Kobayashi | 1999-09-07 |
| 5923924 | Process cartridge having a particular configuration for receiving driving force and image forming apparatus using such a process cartridge | — | 1999-07-13 |