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, Tomoe Kitani, Yoshiki Nishimori | 2004-11-23 |
| 6808853 | Electrostatic image developing toner and preparation method thereof | Tomoe Kitani, Takao Yamanouchi, Ken Ohmura | 2004-10-26 |
| 6689524 | Toner for developing a static latent image and image forming apparatus | Ken Ohmura, Hiroshi Yamazaki | 2004-02-10 |