Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300024 | Toner, two-component type developer, heat fixing method, image forming method and apparatus unit | Hiroshi Yusa, Satoshi Yoshida, Yuki Karaki | 2001-10-09 |
| 6214509 | Toner and image forming method | Tsutomu Kukimoto, Satoshi Yoshida, Hiroshi Yusa, Manabu Ohno, Tsuyoshi Takiguchi +3 more | 2001-04-10 |
| 6002895 | Process cartridge | Hiroyuki Suematsu, Koichi Tomiyama, Hiroshi Yusa, Takakuni Kobori, Masaichiro Katada | 1999-12-14 |
| 5972553 | Toner for developing electrostatic image, process-cartridge and image forming method | Masaichiro Katada, Takakuni Kobori | 1999-10-26 |
| 5912101 | Toner for forming an image, image forming method and heat-fixing method | Yuki Karaki, Hiroshi Yusa, Kazuo Maruyama, Masao Takano | 1999-06-15 |
| 5840457 | Magnetic black toner and multi-color or full-color image forming method | Motoo Urawa, Keita Nozawa, Hiroshi Yusa, Yuki Karaki, Kazuo Maruyama +1 more | 1998-11-24 |
| 5814429 | Heat fixing method employing peelable film between heater and recording medium | Hiroaki Kawakami, Yusuke Karami, Shinji Doi, Satoshi Matsunaga, Yasuhide Goseki +2 more | 1998-09-29 |
| 5736288 | Toner for developing electrostatic images, process cartridge, and image forming method | Hiroyuki Suematsu, Koichi Tomiyama, Hiroshi Yusa, Takakuni Kobori, Masaichiro Katada | 1998-04-07 |
| 5712073 | Toner for developing electrostatic image, apparatus unit and image forming method | Masaichiro Katada, Takakuni Kobori | 1998-01-27 |
| 5700616 | Developer for developing an electrostatic image and image forming method | Osamu Tamura, Hiroshi Yusa, Takakuni Kobori, Masaichiro Katada | 1997-12-23 |
| 5691093 | Method of forming a full-color toner image onto a laminated film | Makoto Kanbayashi, Tatsuya Nakamura, Tatsuhiko Chiba, Kazuyuki Miyano | 1997-11-25 |
| 5672452 | Method for transferring color images onto both sides of a transfer material | Makoto Kanbayashi, Tatsuya Nakamura, Tatsuhiko Chiba, Koji Inaba | 1997-09-30 |
| 5663026 | Magnetic toner, process cartridge and image forming method | Hiroyuki Suematsu, Koichi Tomiyama, Hiroshi Yusa, Takakuni Kobori, Masaichiro Katada | 1997-09-02 |
| 5582902 | Laminate film for receiving toner image and method for forming fixed toner image on laminate film | Makoto Kanbayashi, Takeshi Menjo, Takayuki Nagatsuka, Tatsuya Nakamura, Tatsuhiko Chiba +1 more | 1996-12-10 |
| 5578407 | Color toner for developing electrostatic images, process for its production, and color image forming method | Tatsuya Nakamura, Makoto Kanbayashi, Tatsuhiko Chiba, Kazuyuki Miyano, Koji Inaba | 1996-11-26 |
| 5571653 | Toner for developing electrostatic images, and process for its production | Tatsuya Nakamura, Makoto Kanabayashi, Tatsuhiko Chiba, Kazuyuki Miyano, Koji Inaba | 1996-11-05 |
| 5558967 | Toner for developing electrostatic image and two-component type developer for developing electrostatic image | Takayuki Nagatsuka, Tatsuya Nakamura, Makoto Kanbayashi, Tatsuhiko Chiba | 1996-09-24 |
| 5529873 | Toner for developing electrostatic images and process for producing toner | Tatsuhiko Chiba, Tatsuya Nakamura, Makoto Kanbayashi, Kazuyuki Miyano, Koji Inaba | 1996-06-25 |
| 5500321 | Color toner for developing electrostatic image | Takayuki Nagatsuka, Tatsuya Nakamura, Makoto Kanbayashi, Tatsuhiko Chiba | 1996-03-19 |
| 5485250 | Electrophotographic apparatus with photosensitive member having surface layer of binder resin and fluoro and/or silicon compound particles | Noboru Kashimura, Harumi Sakoh, Kazushige Nakamura, Shoji Amamiya, Haruyuki Tsuji +2 more | 1996-01-16 |
| 5480759 | Toner image transfer method | Noboru Kashimura, Tatsuya Nakamura, Tatsuhiko Chiba, Kohji Inaba | 1996-01-02 |
| 5478686 | Fixable toner with a modified bisphenolic polyester resin | Hiroaki Kawakami, Yusuke Karami, Shinji Doi, Satoshi Matsunaga, Yasuhide Goseki +2 more | 1995-12-26 |
| 5407776 | Toner for developing electrostatic image | Makoto Kanbayashi, Takayuki Nagatsuka, Tatsuya Nakamura, Tatsuhiko Chiba | 1995-04-18 |
| 5357320 | Electrophotographic apparatus | Noboru Kashimura, Harumi Sakoh, Kazushige Nakamura, Shoji Amamiya, Haruyuki Tsuji +2 more | 1994-10-18 |
| 5354639 | Color toner for developing electrostatic image comprising a polyalkylene having a crystallinity of 10-50% | Takayuki Nagatsuka, Tatsuya Nakamura, Makoto Kanbayashi, Tatsuhiko Chiba | 1994-10-11 |