Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7010142 | Electrical acoustic converter | Atsushi Kuwabara, Akira Yoneyama, Yoshizumi Ohta | 2006-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7010142 | Electrical acoustic converter | Atsushi Kuwabara, Akira Yoneyama, Yoshizumi Ohta | 2006-03-07 |