Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777151 | Negatively chargeable toner and image-forming method | Junichi Tamaoki, Megumi Aoki, Hiroaki Kato | 2004-08-17 |
| 6709798 | Full color image forming method | Junichi Tamaoki, Masahiro Anno | 2004-03-23 |