Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5276683 | Multiplex communication system | — | 1994-01-04 |
| 5182466 | Connection polarity switching apparatus | — | 1993-01-26 |
| 4716323 | Power voltage drop detecting circuit | Tetsuro Wada | 1987-12-29 |