Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052267 | Apparatus for producing a chord progression by connecting chord patterns | — | 1991-10-01 |
| 4977812 | Accompaniment line principal tone determination system | — | 1990-12-18 |
| 4958552 | Apparatus for extracting envelope data from an input waveform signal and for approximating the extracted envelope data | Junichi Minamitaka, Kunio Sato | 1990-09-25 |
| 4896576 | Accompaniment line principal tone determination system | — | 1990-01-30 |