Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371954 | Tuner apparatus for aiding a tuning of musical instrument | Hideyuki Masuda, Kenichi Miyazawa, Tsuyoshi Miyaki | 2008-05-13 |
| 7323631 | Instrument performance learning apparatus using pitch and amplitude graph display | Tsuyoshi Miyaki, Hideyuki Masuda, Kenichi Miyazawa | 2008-01-29 |