Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5889732 | Sounder | Takanori Fukuyama, Mitsutaka Enomoto, Kazuhiro Yoshida, Kazuya Yamasaki | 1999-03-30 |
| 5583944 | Speaker | Yukinori Morohoshi, Asahiko Okada, Teru Kawahara, Manabu Muraoka, Eiichi Morimoto +1 more | 1996-12-10 |