Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36327 | Electroacoustic transducer and method of fabricating the same | Fumihito Ishimura, Yoshio Imahori, Takahiro Sone | 1999-10-05 |
| 5581623 | Electroacoustic transducer and method of fabricating the same | Fumihito Ishimura, Yoshio Imahori, Takahiro Sone | 1996-12-03 |