Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9165476 | Portable piano keyboard computer | Yoshinori Yoshikawa, Ryuichiro Kuzuryu | 2015-10-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9165476 | Portable piano keyboard computer | Yoshinori Yoshikawa, Ryuichiro Kuzuryu | 2015-10-20 |