Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5986540 | Sound signal generating device | Koutaro Nakagaki, Yukio Matsuda, Kinya Nakao | 1999-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5986540 | Sound signal generating device | Koutaro Nakagaki, Yukio Matsuda, Kinya Nakao | 1999-11-16 |