Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D387767 | Electroacoustic transducer | Kazushige Tajima | 1997-12-16 |
| D386498 | Electroacoustic transducer | Kazushige Tajima | 1997-11-18 |
| 5675885 | Method of winding a coil for an electroacoustic transducer | Kazuhiro Yamaguchi | 1997-10-14 |
| 5642333 | Electroacoustic transducer and method of winding coil therein | Kazuhiro Yamaguchi | 1997-06-24 |
| D378746 | Audible signal for alarm units | — | 1997-04-08 |
| D377936 | Electroacoustic transducer | — | 1997-02-11 |
| D377353 | Electroacoustic transducer | Kazushige Tajima | 1997-01-14 |