Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804369 | Electroacoustic transducer | Mitsuhiro Masuda | 2004-10-12 |
| 6704430 | Electroacoustic transducer | Yoshio Imahori, Hiroshi Fujinami, Yoshiharu Oishi | 2004-03-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804369 | Electroacoustic transducer | Mitsuhiro Masuda | 2004-10-12 |
| 6704430 | Electroacoustic transducer | Yoshio Imahori, Hiroshi Fujinami, Yoshiharu Oishi | 2004-03-09 |