Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551742 | Acoustic signal-processing apparatus and method | Yoshinori Kumamoto | 2009-06-23 |
| 7394908 | Apparatus and method for generating harmonics in an audio signal | Yoshinori Kumamoto, Jun Ikeda | 2008-07-01 |
| 6909924 | Method and apparatus for shifting pitch of acoustic signals | Yoshinori Kumamoto | 2005-06-21 |