Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821699 | Toner, image forming method and apparatus using the toner, and container containing the toner | Hachiro Tosaka, Hitoshi Ueda, Tomiaki Ito | 2004-11-23 |
| 6780556 | EXTERNAL ADDITIVE FOR ELECTROPHOTOGRAPHIC TONER, METHOD FOR MANUFACTURING THE EXTERNAL ADDITIVE, ELECTROPHOTOGRAPHIC TONER USING THE EXTERNAL ADDITIVE, AND IMAGE FORMING APPARATUS USING THE ELECTROPHOTOGRAPHIC TONER | Hideki Sugiura | 2004-08-24 |