Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479204 | Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the same | Osamu Uchinokura | 2002-11-12 |
| 6403275 | Electrophotographic toner, and image forming method and apparatus using the toner | Shinichi Kuramoto, Mitsuo Aoki, Hiroshi Yamashita, Fumihiro Sasaki, Masahide Yamashita +2 more | 2002-06-11 |