Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6011856 | Electroacoustic transducer and electronic equipment using the same | Takahiro Sone, Yoshio Imahori | 2000-01-04 |
| 5953437 | Electroacoustic transducer | Yoshio Imahori, Isao Fushimi, Kazushige Tajima, Kazushi Suzuki | 1999-09-14 |
| 5737824 | Method of manufacturing electroacoustic transducer | — | 1998-04-14 |
| D375058 | Audible signal for alarm units | Takahiro Sone | 1996-10-29 |
| D373966 | Audible signal for alarm units | Takahiro Sone | 1996-09-24 |