Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833530 | Method and apparatus for printing ink by dissolving colorant with solvent deposited on a drum | — | 1989-05-23 |
| 4826717 | Thermal transfer sheet | Hiroshi Onishi, Hiroshi Esaki | 1989-05-02 |
| 4819010 | Thermal printer using a thermally transferable ink sheet | Hiroshi Onishi, Hiroshi Esaki | 1989-04-04 |