Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812354 | Color image recording material | Shigetoshi Hiraishi | 1989-03-14 |
| 4806421 | Thermal transfer recording sheet | Sadao Morishita, Toshihiko Matsushita | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812354 | Color image recording material | Shigetoshi Hiraishi | 1989-03-14 |
| 4806421 | Thermal transfer recording sheet | Sadao Morishita, Toshihiko Matsushita | 1989-02-21 |