Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525993 | Speaker direction detection circuit and speaker direction detection method used in this circuit | Taisuke Sasada | 2003-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6525993 | Speaker direction detection circuit and speaker direction detection method used in this circuit | Taisuke Sasada | 2003-02-25 |