Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635326 | Electrostatic image-developing toner, fine powdery titanium oxide, and hydrophobic fine powdery titanium oxide | Tsuyoshi Takiguchi, Wakashi Iida | 1997-06-03 |
| 5620824 | Toner, developer and image forming method | Kenji Okado, Akihiko Nakazawa, Ryoichi Fujita | 1997-04-15 |
| 5607806 | Toner with organically treated alumina for developing electrostatic image | Wakashi Iida | 1997-03-04 |
| 5582902 | Laminate film for receiving toner image and method for forming fixed toner image on laminate film | Takeshi Menjo, Takayuki Nagatsuka, Takashige Kasuya, 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 | Takashige Kasuya, Tatsuya Nakamura, Tatsuhiko Chiba, Kazuyuki Miyano, Koji Inaba | 1996-11-26 |
| 5558967 | Toner for developing electrostatic image and two-component type developer for developing electrostatic image | Takayuki Nagatsuka, Takashige Kasuya, Tatsuya Nakamura, Tatsuhiko Chiba | 1996-09-24 |
| 5529865 | Image forming method using dry color toner and press-contact fixing method | Tsuyoshi Takiguchi, Wakashi Iida | 1996-06-25 |
| 5529873 | Toner for developing electrostatic images and process for producing toner | Tatsuhiko Chiba, Takashige Kasuya, Tatsuya Nakamura, Kazuyuki Miyano, Koji Inaba | 1996-06-25 |
| 5512402 | Carrier for electrophotography, two-component type developer, and image forming method | Kenji Okado, Toshiyuki Ugai, Ryoichi Fujita, Tsuyoshi Takiguchi, Yasuhiro Ichikawa +1 more | 1996-04-30 |
| 5500321 | Color toner for developing electrostatic image | Takashige Kasuya, Takayuki Nagatsuka, Tatsuya Nakamura, Tatsuhiko Chiba | 1996-03-19 |
| 5476745 | Process for producing toner particles | Tatsuya Nakamura, Ichiro Ohsaki, Takayuki Nagatsuka, Tatsuhiko Chiba | 1995-12-19 |
| 5437949 | Color toner and process for its production | Tsuyoshi Takiguchi, Wakashi Iida | 1995-08-01 |
| 5418102 | Developer for developing electrostatic image, image forming method, toner imager fixing method and image forming apparatus | Takaaki Kotaki, Yoshihiko Hyosu, Ryoichi Fujita, Minoru Shimojo | 1995-05-23 |
| 5407776 | Toner for developing electrostatic image | Takayuki Nagatsuka, Takashige Kasuya, Tatsuya Nakamura, Tatsuhiko Chiba | 1995-04-18 |
| 5354639 | Color toner for developing electrostatic image comprising a polyalkylene having a crystallinity of 10-50% | Takashige Kasuya, Takayuki Nagatsuka, Tatsuya Nakamura, Tatsuhiko Chiba | 1994-10-11 |
| 5354640 | Toner for developing electrostatic image | Takayuki Nagatsuka, Takashige Kasuya, Tatsuya Nakamura, Tatsuhiko Chiba | 1994-10-11 |
| 5300386 | Developer for developing electrostatic image, image forming method and heat fixing method | Takayuki Nagatsuka, Takashige Kasuya, Tatsuya Nakamura, Tatsuhiko Chiba | 1994-04-05 |
| 5281504 | Laminate film for receiving toner image and method for forming fixed toner image on laminate film | Takeshi Menjo, Takayuki Nagatsuka, Takashige Kasuya, Tatsuya Nakamura, Tatsuhiko Chiba +1 more | 1994-01-25 |
| 5120631 | Color toner | Kenji Okado, Takayuki Nagatsuka, Yoshinobu Baba | 1992-06-09 |
| 4904558 | Magnetic, two-component developer containing fluidity improver and image forming method | Takayuki Nagatsuka, Kenji Okado | 1990-02-27 |