Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091028 | Method for manufacturing a heat resistant voice coil | Yuzo Yamazaki | 1992-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091028 | Method for manufacturing a heat resistant voice coil | Yuzo Yamazaki | 1992-02-25 |