Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744180 | Piezoelectric electroacoustic transducer | Yoshitaka Nakamura, Kiyotaka Tajima, Tetsuo Takeshima, Yuko Yokoi | 2004-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744180 | Piezoelectric electroacoustic transducer | Yoshitaka Nakamura, Kiyotaka Tajima, Tetsuo Takeshima, Yuko Yokoi | 2004-06-01 |