Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D387767 | Electroacoustic transducer | Yoshio Imahori | 1997-12-16 |
| D386498 | Electroacoustic transducer | Yoshio Imahori | 1997-11-18 |
| D377353 | Electroacoustic transducer | Yoshio Imahori | 1997-01-14 |