Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747213 | Image forming method and heat fixing method using a toner including a wax | Ryuichiro Maeyama, Kouji Inaba | 1998-05-05 |
| 5747209 | Toner for developing electrostatic images containing aromatic hydroxycarboxylic acid and metal compound of the aromatic hydroxycarboxylic acid | Tsuyoshi Takiguchi, Masaaki Taya, Ryoichi Fujita, Makoto Kanbayashi, Kohji Inaba +4 more | 1998-05-05 |
| 5733702 | Image forming method employing toner with external additive | Toshiyuki Ugai, Ryoichi Fujita, Tsuyoshi Takiguchi, Yasuhiro Ichikawa | 1998-03-31 |
| 5700617 | Toner for developing electrostatic images and charge-controlling agent | Tsuyoshi Takiguchi, Masaaki Taya, Ryoichi Fujita, Makoto Kanbayashi, Wakashi Iida +1 more | 1997-12-23 |
| 5670288 | Carrier for electrophotography, two-component type developer, and image forming method | Toshiyuki Ugai, Ryoichi Fujita, Makoto Kanbayashi, Tsuyoshi Takiguchi, Yasuhiro Ichikawa +1 more | 1997-09-23 |
| 5637432 | Toner for developing electrostatic image comprising titanium oxide particles | Toshiyuki Ugai, Ryoichi Fujita, Tsuyoshi Takiguchi, Yasuhiro Ichikawa | 1997-06-10 |
| 5620824 | Toner, developer and image forming method | Akihiko Nakazawa, Ryoichi Fujita, Makoto Kanbayashi | 1997-04-15 |
| 5604071 | Toner for developing electrostatic image | Ryoichi Fujita, Tsuyoshi Takiguchi | 1997-02-18 |
| 5512402 | Carrier for electrophotography, two-component type developer, and image forming method | Toshiyuki Ugai, Ryoichi Fujita, Makoto Kanbayashi, Tsuyoshi Takiguchi, Yasuhiro Ichikawa +1 more | 1996-04-30 |
| 5256512 | Color toner and two-component developer containing same | Hiroyuki Kobayashi, Mitsuru Uchida | 1993-10-26 |
| 5239343 | Developing apparatus with regulating member having magnetic and non-magnetic members | Yuji Sakemi, Hatsuo Tajima, Masahiro Inoue | 1993-08-24 |
| 5164275 | Method of forming a multicolor image with color toner and two-component developer containing same | Hiroyuki Kobayashi, Mitsuru Uchida | 1992-11-17 |
| 5149610 | Color toner and two-component developer containing same | Hiroyuki Kobayashi, Mitsuru Uchida | 1992-09-22 |
| 5120631 | Color toner | Makoto Kanbayashi, Takayuki Nagatsuka, Yoshinobu Baba | 1992-06-09 |
| 5116711 | Color toner and two-component developer containing same | Hiroyuki Kobayashi, Mitsuru Uchida | 1992-05-26 |
| 4954404 | Developing method and device and color image forming method and apparatus using same | Masahiro Inoue, Hatsuo Tajima, Yuji Sakemi | 1990-09-04 |
| 4904558 | Magnetic, two-component developer containing fluidity improver and image forming method | Takayuki Nagatsuka, Makoto Kanbayashi | 1990-02-27 |
| 4640882 | Image forming method of negative latent images using silica particles | Yasuo Mitsuhashi, Masaki Uchiyama, Kazunori Murakawa | 1987-02-03 |
| 4626487 | Particulate developer containing inorganic scraper particles and image forming method using the same | Yasuo Mitsuhashi, Masaki Uchiyama, Kazunori Murakawa | 1986-12-02 |
| 4592987 | Toner application method and developer composition | Yasuo Mitsuhashi, Masanori Takenouchi, Eiichi Imai, Koshi Suematsu | 1986-06-03 |
| 4590140 | Toner application method and treated magnetic particles for use therein | Yasuo Mitsuhashi, Masanori Takenouchi, Hatsuo Tajima, Masaki Uchiyama, Motoo Urawa | 1986-05-20 |