Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076465 | Method for manufacturing charge control agent | Kazuyoshi Kuroda, Masashi Yasumatsu, Kaori Sato, Jun Hikata | 2011-12-13 |
| 7875412 | Positive electrified charge control agent and positive electrified toner for developing electrostatic image | Masashi Yasumatsu | 2011-01-25 |