Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694840 | Printing image after-processing apparatus | Takashi Isozaki, Sadanao Okuda | 1997-12-09 |
| 5671675 | Print image treatment device | Sadanao Okuda, Takashi Isozaki, Ryuji Higa | 1997-09-30 |
| 5642672 | Print image treatment device | Takashi Isozaki, Ryuji Higa, Sadanao Okuda | 1997-07-01 |