Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898452 | Thermal transfer color recording device | Naotaka Sasaki, Kenju Sugaya | 1999-04-27 |
| 5703635 | Thermal transfer color recording device | Naotaka Sasaki, Kenju Sugaya | 1997-12-30 |