Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7029816 | Electrographic image formation method | Fumihiro Sasaki, Mitsuo Aoki, Yasuaki Iwamoto, Naohito Shimota, Kazuyuki Yazaki +5 more | 2006-04-18 |
| 6670088 | Carrier for two-component developer for developing latent electrostatic images and developer using the carrier | Hiroaki Matsuda, Masanori Suzuki, Hiroto Higuchi | 2003-12-30 |
| 6656654 | Toner and two-component developer, container therefor, and image forming apparatus | Hiroto Higuchi, Masanori Suzuki, Hiroaki Matsuda | 2003-12-02 |
| 6544704 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Masanori Suzuki, Hiroto Higuchi, 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, Hiroto Higuchi, Tsunemi Sugiyama | 2003-03-18 |
| 6468706 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Masanori Suzuki, Hiroto Higuchi, 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, Hiroto Higuchi, Tsunemi Sugiyama | 2002-01-01 |
| 6228550 | Two-component developer | Hiroaki Matsuda, Masanori Suzuki, Hiroto Higuchi | 2001-05-08 |