Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821695 | Electrostatic latent image developing toner and production method thereof | Asao Matsushima, Ken Ohmura, Takao Yamanouchi, Naohiro Hirose, Tomoe Kitani | 2004-11-23 |
| 6811941 | Electrostatic image developing toner and image forming method | Kazuhisa Horiuchi, Tatsuya Nagase, Meizo Shirose, Hiroshi Yamazaki, Hiroyuki Yamada +3 more | 2004-11-02 |
| 6677097 | Toner for developing static image and an image forming method | Ken Ohmura, Asao Matsushima, Shiro Hirano, Hiroyuki Yamada, Hiroshi Yamazaki | 2004-01-13 |