Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8389844 | Tone generation apparatus | Hiroyuki Tsuchiya, Kazuyuki Ito, Masahiko Hasebe, Hiroyuki Iwase | 2013-03-05 |
| 8383924 | Musical tone signal generating apparatus | Hiroyuki Tsuchiya | 2013-02-26 |
| 7960639 | Electronic music apparatus and tone control method | Takashi Mizuhiki | 2011-06-14 |