Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11694665 | Sound source, keyboard musical instrument, and method for generating sound signal | Yasuhiko Oba, Akihiko Komatsu | 2023-07-04 |
| 11551653 | Electronic musical instrument | Akihiko Komatsu, Yasuhiko Oba | 2023-01-10 |