Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291361 | Image forming process, image-recorded article, liquid composition and ink-jet recording apparatus | Hiroyuki Ogino, Muneyoshi Sunada, Yoichi Takada, Masanori Ito, Hiroshi Asakawa +3 more | 2007-11-06 |
| 6848781 | Image forming process, image-recorded article, liquid composition and ink-jet recording apparatus | Hiroyuki Ogino, Muneyoshi Sunada, Yoichi Takada, Masanori Ito, Hiroshi Asakawa +3 more | 2005-02-01 |
| 6033817 | Toner for developing electrostatic image and image forming method | Hiroshi Yusa, Keita Nozawa, Yuki Karaki, Kazuo Maruyama | 2000-03-07 |
| 5915150 | Image forming method utilizing toner having inorganic particles and particles of a specific sphericity | Tsutomu Kukimoto, Shuichi Aita, Satoshi Yoshida | 1999-06-22 |
| 5840457 | Magnetic black toner and multi-color or full-color image forming method | Keita Nozawa, Hiroshi Yusa, Takashige Kasuya, Yuki Karaki, Kazuo Maruyama +1 more | 1998-11-24 |
| 5774771 | Image forming method and apparatus using a particular toner | Tsutomu Kukimoto, Kenji Okado, Toshiyuki Ugai, Keita Nozawa, Satoshi Yoshida +1 more | 1998-06-30 |
| 5731122 | Image forming method and image forming apparatus | Satoshi Yoshida, Shuichi Aita, Tsutomu Kukimoto, Yoshifumi Hano, Yuki Nishio | 1998-03-24 |
| 5715501 | Image forming method using a surface with a specified water contact angle and process cartridge using such a method | Shuichi Aita, Toshiyuki Yoshihara, Tsutomu Kukimoto, Yoshifumi Hano | 1998-02-03 |
| 5712070 | Toner for developing electrostatic image, image forming method, developing device and process cartridge | Keita Nozawa, Osamu Tamura, Tsutomu Kukimoto | 1998-01-27 |
| 5618647 | Magnetic toner and image forming method | Tsutomu Kukimoto, Yasuhide Goseki, Masayoshi Shimamura, Keiji Okano, Keita Nozawa +2 more | 1997-04-08 |
| 5534982 | Developing apparatus | Katsuhiro Sakaizawa, Tsutomu Kukimoto, Satoshi Yoshida | 1996-07-09 |
| 5071727 | Positively chargeable electrostatic toner containing organic metal complex or organic nitrogen, phosphino or metal compound | Takeshi Ikeda, Eiichi Imai, Hiroshi Fukumoto, Katsuhiko Tanaka, Koshi Suematsu +1 more | 1991-12-10 |
| 4666814 | Method for developing electrostatic latent image with non-magnetic toner | Koshi Suematsu, Masanori Takenouchi, Takeshi Ikeda | 1987-05-19 |
| 4666815 | Method for developing electrostatic latent image with non-magnetic toner | Eiichi Imai, Masaki Uchiyama, Atsuko Yamamoto | 1987-05-19 |
| 4663263 | Toner, charge-imparting material and composition containing substituted guanidine compound for electrophotography | Takeshi Ikeda, Eiichi Imai, Hiroshi Fukumoto, Katsuhiko Tanaka, Koshi Suematsu +1 more | 1987-05-05 |
| 4590139 | Three color toner kit and method of use | Eiichi Imai | 1986-05-20 |
| 4590140 | Toner application method and treated magnetic particles for use therein | Yasuo Mitsuhashi, Masanori Takenouchi, Hatsuo Tajima, Masaki Uchiyama, Kenji Okado | 1986-05-20 |
| 4571372 | Method for coating a non-magnetic developer onto a developer holding member | Masanori Takenouchi, Fumitaka Kan, Kohshi Suematsu, Eiichi Imai | 1986-02-18 |
| 4543312 | Magnetic toner comprising magnetic powders having controlled size distribution | Kazunori Murakawa, Yasuo Mitsuhashi, Hitoshi Uchide, Seiichi Takagi, Masaki Uchiyama +2 more | 1985-09-24 |
| 4518672 | Cyan color toner for developing electrostatic image | Eiichi Imai | 1985-05-21 |
| 4448870 | Magnetic color toner | Eiichi Imai, Hitoshi Uchide, Kazunori Murakawa, Masaki Uchiyama, Hisayuki Ochi +2 more | 1984-05-15 |