Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4682173 | Radar responder | Nobuhiro Nakamura | 1987-07-21 |
| 4673936 | Rescue transmitter apparatus | — | 1987-06-16 |
| 4668200 | Life buoy with a radar responder | Nobuhiro Nakamura | 1987-05-26 |
| 4186396 | Radar beacon apparatus | Akiyoshi Morinaka | 1980-01-29 |