Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688048 | Drop-on-demand ink-jet printing apparatus | Ryosuke Uematsu, Toyoji Ushioda | 1987-08-18 |
| 4549191 | Multi-nozzle ink-jet print head of drop-on-demand type | Toyoji Ushioda | 1985-10-22 |
| 4511907 | Color ink-jet printer | — | 1985-04-16 |