Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7074541 | Toner for electrophotography, method of manufacturing the toner, developer, development method, transfer method, and process cartridge using the toner | Hiroshi Yamashita, Takuya Saito, Yohichiroh Watanabe | 2006-07-11 |
| 7005223 | Toner composition and method for manufacturing the toner composition | Hiroshi Yamashita, Kazuhito Watanabe, Chiaki Tanaka, Shigeru Emoto, Masami Tomita | 2006-02-28 |
| 6946229 | Toner for forming color image, image forming apparatus, and toner container | Masanori Suzuki, Takuya Saito, Hiroshi Yamashita, Yohichiroh Watanabe, Takeshi Takada +3 more | 2005-09-20 |
| 6852462 | Toner, method of forming the toner, and image forming method and apparatus using the toner | Shigeru Emoto, Hiroshi Yamashita, Shinichiro Yagi, Masami Tomita, Hiroshi Yamada +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, Toshiki Nanya, Shigeru Emoto, Hiroshi Yamada +3 more | 2005-02-01 |
| 6846604 | Toner and image forming apparatus using the toner | Shigeru Emoto, Hiroshi Yamashita, Naohiro Watanabe, Hiroshi Yamada, Masami Tomita | 2005-01-25 |
| 6835519 | Dry toner and image forming method using same | Shigeru Emoto, Hiroshi Yamashita, Masami Tomita, Kazuhito Watanabe, Chiaki Tanaka | 2004-12-28 |
| 6824945 | Electrophotographic toner | Shigeru Emoto, Masami Tomita, Hiroshi Yamashita | 2004-11-30 |
| 6800412 | Toner for dry developing | Masami Tomita, Shigeru Emoto, Hiroshi Yamashita | 2004-10-05 |
| 6787280 | Electrophotographic toner and method of producing same | Hiroshi Yamashita, Shinichiro Yagi, Hiroshi Yamada, Masami Tomita, Toshiki Nanya +3 more | 2004-09-07 |
| 6756175 | Method for fixing toner | Shigeru Emoto, Chiaki Tanaka, Naohiro Watanabe, Hiroshi Yamada, Hiroshi Yamashita +2 more | 2004-06-29 |
| 6740460 | Dry toner | Masami Tomita, Shigeru Emoto, Hiroshi Yamasita | 2004-05-25 |
| 6682866 | Toner for dry developing | Masami Tomita, Shigeru Emoto, Hiroshi Yamashita | 2004-01-27 |
| 6660443 | Dry toner and image forming method using same | Shigeru Emoto, Hiroshi Yamashita, Masami Tomita, Kazuhito Watanabe, Chiaki Tanaka | 2003-12-09 |
| 6544704 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi, Fumihiro Sasaki +3 more | 2003-04-08 |
| 6534232 | ELECTROPHOTOGRAPHIC IMAGE FORMATION METHOD, CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER, CONTAINER HOLDING THEREIN THE TWO-COMPONENT DEVELOPER, AND ELECTROPHOTOGRAPHIC IMAGE FORMATION APPARATUS | Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi | 2003-03-18 |
| 6468706 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Hiroto Higuchi, Fumihiro Sasaki +3 more | 2002-10-22 |
| 6335137 | Electrophotographic toner and electrophotographic image forming method and apparatus using the toner | Masanori Suzuki, Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi | 2002-01-01 |