Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928177 | Speaker-use protection element and speaker device | Yukio Yasuda | 2005-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928177 | Speaker-use protection element and speaker device | Yukio Yasuda | 2005-08-09 |