Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7056638 | Toner for electrophotography, developer using the same, process cartridge using the same, image-forming apparatus using the same, and image-forming process using the same | Masami Tomita, Fumihiro Sasaki, Shigeru Emoto, Shinichiro Yagi, Hiroto Higuchi +2 more | 2006-06-06 |
| 7056636 | Dry toner, and process cartridge, image forming process and apparatus using the same | Masami Tomita, Fumihiro Sasaki, Hiroto Higuchi, Shinichiro Yagi, Shigeru Emoto +4 more | 2006-06-06 |
| 6947692 | Image forming method and apparatus | Maiko Kondo, Fumihiro Sasaki, Shinichiro Yagi, Masami Tomita, Shigeru Emoto +3 more | 2005-09-20 |
| 6936390 | Toner, method of producing same and image forming device | Masami Tomita, Shigeru Emoto, Hiroshi Yamada, Shinichiro Yagi, Naohiro Watanabe +1 more | 2005-08-30 |
| 6916587 | Toner, developer, and image forming method and apparatus | Hiroyuki Fushimi, Osamu Uchinokura, Shinichiro Yagi, Kohki Katoh | 2005-07-12 |
| 6852462 | Toner, method of forming the toner, and image forming method and apparatus using the toner | Shigeru Emoto, Tsunemi Sugiyama, Hiroshi Yamashita, Shinichiro Yagi, Masami Tomita +2 more | 2005-02-08 |
| 6849369 | Toner for developing electrostatic image, method for manufacturing the toner, developer including the toner, container containing the toner, and developing method using the toner | Shinichiro Yagi, Masami Tomita, Shigeru Emoto, Hiroshi Yamada, Hiroshi Yamashita +3 more | 2005-02-01 |
| 6818370 | Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus | Osamu Uchinokura, Hiroyuki Fushimi, Kohki Katoh, Shinichiro Yagi | 2004-11-16 |
| 6787280 | Electrophotographic toner and method of producing same | Hiroshi Yamashita, Tsunemi Sugiyama, Shinichiro Yagi, Hiroshi Yamada, Masami Tomita +3 more | 2004-09-07 |
| 6733939 | Toner, developer and container for the developer, and method of and apparatus for forming an image | Hiroyuki Fushimi, Osamu Uchinokura, Shinichiro Yagi, Kohki Katoh | 2004-05-11 |
| 5759733 | Liquid developer for electrostatic electrophotography | Kazuo Tsubuko, Shinichi Kuramoto, Kazuhiko Umemura, Kayoko Nagai | 1998-06-02 |
| 5597673 | Toner for developing electrostatic latent image | Kazuhito Watanabe | 1997-01-28 |
| 5514511 | Toner for developing latent electrostatic images | Yasuaki Iwamoto | 1996-05-07 |
| 5314777 | Negatively chargeable toner for developing latent electrostatic images | Kazuhito Watanabe, Yasuaki Iwamoto | 1994-05-24 |
| 5225303 | Dry-type toner including waxes release agent for electrophotography | Masami Tomita, Yasuaki Iwamoto | 1993-07-06 |
| 5168028 | Negatively chargeable toner for developing latent electrostatic images | Masanori Suzuki | 1992-12-01 |
| 5102766 | Toner for developing latent electrostatic images | Kimitoshi Yamaguchi, Hiromitsu Kawase, Makoto Ookawara | 1992-04-07 |
| 5085965 | Negative toner for developing latent electrostatic images | Kimitoshi Yamaguchi, Kazuo Tsubuko, Toshihiko Takahashi, Hiromitsu Kawase, Makoto Ookawara | 1992-02-04 |
| 5079123 | Dry-type toner for electrophotography with carnauba wax | Kimitoshi Yamaguchi, Hiromitsu Kawase | 1992-01-07 |
| 4990425 | Toner for developing latent electrostatic images | Kimitoshi Yamaguchi | 1991-02-05 |
| 4931374 | Electrophotographic positive charging toner containing a copper phthalocyanine blue pigment | Masami Tomita, Toshiyasu Kawabata, Hisao Murayama | 1990-06-05 |
| 4762763 | Toner for developing electrostatic latent image | Yoshihiro Nomura, Noriaki Ide, Kazumi Ohtaki, Masami Tomita, Hachiro Tosaka +5 more | 1988-08-09 |
| 4758489 | Toner for developing latent electrostatic images | Masami Tomita, Satoru Inoue, Akio Matsui, Fumihiro Sasaki | 1988-07-19 |
| 4554233 | Electrophotographic toner containing triazolium compound as charge controlling agent | Mitsuru Hashimoto, Toshiyasu Kawabata, Hisao Murayama | 1985-11-19 |
| 4401740 | Electrographic development process | Toshiyasu Kawabata, Hachiro Tosaka | 1983-08-30 |