Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670088 | Carrier for two-component developer for developing latent electrostatic images and developer using the carrier | Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama | 2003-12-30 |
| 6667141 | Image forming method and apparatus | Yasuaki Iwamoto, Fumihiro Sasaki, Hiroaki Matsuda, Hiroshi Nakai, Bing Shu +1 more | 2003-12-23 |
| 6656654 | Toner and two-component developer, container therefor, and image forming apparatus | Masanori Suzuki, Hiroaki Matsuda, Akemi Sugiyama | 2003-12-02 |
| 6593048 | Two-component developer, and image forming apparatus and image forming method using the developer | Fumihiro Sasaki, Yasuaki Iwamoto, Hiroaki Matsuda, Hiroshi Nakai, Hyou Shu +1 more | 2003-07-15 |
| 6544704 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Tsunemi Sugiyama, 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, Tsunemi Sugiyama | 2003-03-18 |
| 6468706 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama, Tsunemi Sugiyama, 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, Tsunemi Sugiyama | 2002-01-01 |
| 6228550 | Two-component developer | Hiroaki Matsuda, Masanori Suzuki, Akemi Sugiyama | 2001-05-08 |