Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9281795 | Acoustic signal processing apparatus | Mizuyuki Shirai, Yuji Yamashita | 2016-03-08 |
| 8548616 | Digital audio device | Takaaki Makino, Akio Suyama | 2013-10-01 |
| 7647127 | Component data managing method | Satoshi Takemura, Makoto Hiroi | 2010-01-12 |