Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671675 | Print image treatment device | Sadanao Okuda, Takashi Isozaki, Takahito Tojima | 1997-09-30 |
| 5642672 | Print image treatment device | Takashi Isozaki, Takahito Tojima, Sadanao Okuda | 1997-07-01 |