Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10388290 | Multifunctional audio signal generation apparatus | — | 2019-08-20 |
| 9899016 | Musical sound signal generation apparatus that generates sound emulating sound emitting from a rotary speaker | Masatsugu Okazaki | 2018-02-20 |
| 9792916 | Multifunctional audio signal generation apparatus | — | 2017-10-17 |
| 8183452 | Tone generation apparatus | — | 2012-05-22 |
| 8035021 | Tone generation apparatus | Tokio Shirakawa, Shigematsu Fujita | 2011-10-11 |