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, Osamu Yamate, Jun Hikata | 2011-12-13 |
| 7879520 | Toner for developing electrostatic image and image formation process using it | Masashi Yasumatsu | 2011-02-01 |