Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660442 | Nonmagnetic black toner for reversal development | Shinichi Sata, Koji Shimokusa, Jun Shimizu | 2003-12-09 |
| 6509129 | Toner for electrophotography | Hiroyuki Kawaji | 2003-01-21 |