Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328391 | Drum brake device | Yukio Iwata, Toshifumi Maehara | 2001-12-11 |
| 6141513 | Toner cartridge, process cartridge, and electrophotographic image forming apparatus | Tsutomu Nishiuwatoko, Kazuyoshi Odagawa, Shinichi Sasaki | 2000-10-31 |
| 6119833 | Drum brake device having leading/trailing mode and duo servo mode | Toshifumi Maehara, Haruo Tsuzuku, Seiya Odaka, Yukio Iwata | 2000-09-19 |
| 5966566 | Recycle method for process cartridge and image forming apparatus | Kazuyoshi Odagawa, Isao Ikemoto, Masahiko Yashiro, Toshiyuki Karakama, Atsushi Numagami +2 more | 1999-10-12 |
| 5870654 | Process cartridge remanufacturing method and process cartridge | Minoru Sato, Kazuyoshi Odagawa, Shinichi Sasaki, Satoshi Kurihara | 1999-02-09 |
| 5752131 | Developing apparatus with a removable sealing film and process cartridge and image forming apparatus including such a developing apparatus | Yasuo Fujiwara | 1998-05-12 |
| 5725977 | Method of forming fluorescent screen for color cathode-ray tube and exposure system for forming same | Minoru Hojo, Akira Inoue, Syunichi Igeta | 1998-03-10 |
| 5602443 | Cathode-ray tube | Shunichi Igeta, Akira Inoue, Minoru Hojo, Shiro Takada, Masayuki Miyazaki +1 more | 1997-02-11 |
| 5585889 | Process cartridge and image forming apparatus | Kazuo Shishido, Akira Higeta, Hironobu Isobe, Minoru Sato, Shigeo Miyabe +1 more | 1996-12-17 |
| 5585902 | Toner cartridge, process cartridge and electrophotographic image forming apparatus | Tsutomu Nishiuwatoko, Kazuyoshi Odagawa, Shinichi Sasaki | 1996-12-17 |
| 5579085 | Image forming apparatus and detachable process cartridge having press-fitted flange to cylinder | Shigeo Miyabe, Kazuo Shishido, Koji Miura | 1996-11-26 |
| 5452056 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Yoshiya Nomura, Akira Higeta, Hironobu Isobe, Kazuo Shishido, Minoru Sato +2 more | 1995-09-19 |
| 5446525 | Image bearing member mounting method | — | 1995-08-29 |
| 5384619 | Image forming apparatus having re-feeding unit | Takao Yokomizo, Tadashi Yagi, Hiroshi Yukimachi, Takahiro Azeda, Yoshiro Tsuchiya +4 more | 1995-01-24 |
| 5331373 | Image forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridge | Yoshiya Nomura, Akira Higeta, Hironobu Isobe, Kazuo Shishido, Minoru Sato +2 more | 1994-07-19 |
| 5260759 | Image forming system having sheet hold-down device | — | 1993-11-09 |
| 5258811 | Image forming system and process cartridge removably mountable on same | Hiroaki Miyake, Yoshiya Nomura | 1993-11-02 |
| 5225881 | Image recording apparatus with refeeding path | Shinji Goto, Masao Ando, Takamasa Sawada | 1993-07-06 |
| 5189545 | Optical deflector and display unit using the same | Yutaka Takata | 1993-02-23 |
| 5115281 | Image forming apparatus with plural forming units | Masahito Ohtsuka, Toshifumi Moritani, Tadashi Yagi, Yoshiro Tsuchiya, Takahiro Azeta +3 more | 1992-05-19 |
| 5091754 | Image forming apparatus comprising lateral movement means | Makoto Abe, Junichi Kimizuka, Akihisa Kusano, Kaoru Sato, Toshiyuki Ito +11 more | 1992-02-25 |
| 5028041 | Image forming apparatus with sheet feeder | — | 1991-07-02 |
| 4996459 | Cathode ray tube for color display | — | 1991-02-26 |
| 4924267 | Process cartridge and multi-color image forming apparatus using same | Masao Yoshikawa, Takashi Saito, Tatuya Kobayashi, Otoya Kosugiyama, Atsushi Kubota +4 more | 1990-05-08 |
| 4893054 | Shadow mask type color cathode ray tube | — | 1990-01-09 |