Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658991 | Toner resin composition and a method of manufacturing it, as well as a toner and a method of manufacturing it | Yoshiyuki Kosaka, Tatsuo Suzuki | 1997-08-19 |
| 5597674 | Toner resin composition and toner | Tatsuo Suzuki | 1997-01-28 |