Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11087636 | Lights-guided piano learning and teaching apparatus, and method | Xingxin Liu, Bin Ye | 2021-08-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11087636 | Lights-guided piano learning and teaching apparatus, and method | Xingxin Liu, Bin Ye | 2021-08-10 |