Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670088 | Carrier for two-component developer for developing latent electrostatic images and developer using the carrier | Hiroaki Matsuda, Akemi Sugiyama, Hiroto Higuchi | 2003-12-30 |
| 6656654 | Toner and two-component developer, container therefor, and image forming apparatus | Hiroto Higuchi, Hiroaki Matsuda, Akemi Sugiyama | 2003-12-02 |
| 6653037 | Toner for developing latent electrostatic images, and image forming method and device | Toyoshi Sawada, Kohki Katoh, Yohichiroh Watanabe, Masahide Yamashita, Akihiro Kotsugai +1 more | 2003-11-25 |
| 6566026 | Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner | Yohichiroh Watanabe, Masahide Yamashita, Keiko Shiraishi, Kazuhito Watanabe, Kohki Katoh +2 more | 2003-05-20 |
| 6544704 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Hiroaki Matsuda, Akemi Sugiyama, 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, Akemi Sugiyama, Hiroto Higuchi, Tsunemi Sugiyama | 2003-03-18 |