Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866326 | Driver circuit for piezoelectric actuator, and impact dot-matrix printer using the driver circuit | Takeshi Niikawa | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866326 | Driver circuit for piezoelectric actuator, and impact dot-matrix printer using the driver circuit | Takeshi Niikawa | 1989-09-12 |