Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866462 | Liquid jet recording apparatus capable of being driven at selected different frequencies | — | 1989-09-12 |
| 4847637 | Ink jet recording apparatus having a cap for maintaining a clean discharge port | Junji Shimoda | 1989-07-11 |