Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11205407 | Song analysis device and song analysis program | Toshihisa Sabi | 2021-12-21 |
| 11176915 | Song analysis device and song analysis program | Kei Sakagami, Toshihisa Sabi | 2021-11-16 |