Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813461 | Toner, method for manufacturing the toner, and image forming method and apparatus using the toner | Hiroto Higuchi, Fumihiro Sasaki, Yasuaki Iwamoto, Hiroshi Nakai, Bing Shu +1 more | 2004-11-02 |
| 6790575 | Two-component developer, image forming apparatus, and image forming method | Fumihiro Sasaki, Hiroaki Matsuda, Bing Shu, Hiroshi Nakai, Hiroto Higuchi +5 more | 2004-09-14 |
| 6699632 | Image forming toner, and image forming method and image forming apparatus using the toner | Hiroto Higuchi, Fumihiro Sasaki, Yasuaki Iwamoto, Hiroaki Matsuda, Hiroshi Nakai +1 more | 2004-03-02 |
| 6667141 | Image forming method and apparatus | Yasuaki Iwamoto, Fumihiro Sasaki, Hiroaki Matsuda, Hiroshi Nakai, Hiroto Higuchi +1 more | 2003-12-23 |
| 6593048 | Two-component developer, and image forming apparatus and image forming method using the developer | Fumihiro Sasaki, Yasuaki Iwamoto, Hiroaki Matsuda, Hiroshi Nakai, Hiroto Higuchi +1 more | 2003-07-15 |