Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7254368 | Audio system and head attachment audio unit | Teruo Okada, Shuichi Inage | 2007-08-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7254368 | Audio system and head attachment audio unit | Teruo Okada, Shuichi Inage | 2007-08-07 |