Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661995 | Multi-superheterodyne receiver | — | 1987-04-28 |
| 4633173 | Apparatus for measuring a signal level | — | 1986-12-30 |
| 4309585 | Error alarm system in a microwave oven | Keiichiro Doi | 1982-01-05 |