Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414551 | Power antenna control circuit used in vehicle | Kazuhiro Tadauchi | 1983-11-08 |
| 4389639 | Voice warning device using entertainment speaker | Hisatoshi Oota, Hiroshi Arai | 1983-06-21 |