Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703635 | Thermal transfer color recording device | Kenju Sugaya, Fumio Nakahashi | 1997-12-30 |
| 5690439 | Thermal transfer printing apparatus | Shunichi Kawamata, Kenji Sugaya | 1997-11-25 |
| 5652606 | Message card | Shunichi Kawamata | 1997-07-29 |