Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837199 | Thermal transfer recording material | Sadao Morishita, Mikiya Sekine | 1989-06-06 |
| 4824824 | Heat-sensitive thermal transfer recording sheet and system using the same | Shigetoshi Hiraishi, Sadao Morishita | 1989-04-25 |
| 4806421 | Thermal transfer recording sheet | Sadao Morishita, Takeo Sugiyama | 1989-02-21 |