Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835518 | Toner for electrostatic image development | Yasuyuki Tamane, Koji Akiyama, Hiroyuki Kawaji | 2004-12-28 |
| 6677096 | Positively chargeable toner for two-component development | Shinji Moriyama, Yoshihiro Fukushima | 2004-01-13 |