Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5715324 | Speaker having magnetic circuit | Kei Tanabe, Nobuo Kakinuma | 1998-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5715324 | Speaker having magnetic circuit | Kei Tanabe, Nobuo Kakinuma | 1998-02-03 |