Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762004 | Charge control agent and toner for developing electrostatic images | Akihide Isoda | 2004-07-13 |
| 6756485 | Process for preparing a monoazo metal complex salt compound for charge control agent and toner for developing electrostatic images | Masashi Yasumatsu, Akihiro Tada | 2004-06-29 |