Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8374093 | Repeater monitor system and repeater monitor method | Kiyoshi Sakurai, Tatsuo Furukawa | 2013-02-12 |
| 6004209 | Body-acoustic device, playing apparatus and its control method, light-beam utilizing playing apparatus, and acoustic apparatus | Atsushi Katsumoto, Akira Fujiwara, Koji Miura, Tokurou Fujiwara, Nobuo Takenouchi +2 more | 1999-12-21 |
| 5295123 | Automatic playing apparatus | Mineyuki Noda, Toshio Yamabata | 1994-03-15 |