Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835511 | Quasifixed variable resistor | — | 1989-05-30 |
| 4479106 | Rotary electric component | Yutaka Shimizu, Junichi Imura | 1984-10-23 |
| 4477795 | Rotary electric component | Junichi Imura, Isao Moriya | 1984-10-16 |