Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969942 | Piezoelectric electroacoustic transducer | Tetsuo Takeshima, Takeshi Kishimoto, Takashi Yamamoto | 2005-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969942 | Piezoelectric electroacoustic transducer | Tetsuo Takeshima, Takeshi Kishimoto, Takashi Yamamoto | 2005-11-29 |