Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706552 | Sound signal processing apparatus and sound signal processing method | Yoichi Uehara, Keisuke Ozawa, Shinji Hirose | 2010-04-27 |
| 6618336 | Reproducing apparatus | Minako Ishizuka, Takahiro Sato, Masayuki Mizuki | 2003-09-09 |
| 6463014 | Reproducing apparatus | Minako Ishizuka, Takahiro Sato, Masayuki Mizuki | 2002-10-08 |