Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6859544 | Magnetic circuit for speaker, method of manufacture thereof, and speaker using same | Toshifumi Fukawatase | 2005-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6859544 | Magnetic circuit for speaker, method of manufacture thereof, and speaker using same | Toshifumi Fukawatase | 2005-02-22 |