| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Brazil | 1 | |
| #6 | China | 1 | |
| #7 | Czechia | 1 | |
| #8 | Finland | 1 | |
| #9 | Japan | 1 | |
| #10 | Norway | 1 | |
| #11 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Electrophonic musical instruments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Paulson John W | 19 |
| #2 | Dunn Mark E | 19 |
| #3 | Weisbrod Stephen P | 11 |
| #4 | Heidorn Allen J | 8 |
| Publication | Filing date | Title |
|---|---|---|
| US5693903A | Apparatus and method for analyzing vocal audio data to provide accompaniment to a vocalist | |
| US5585585A | Automated accompaniment apparatus and method | |
| US5521323A | Real-time performance score matching |