Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12205569 | Instrument playing apparatus | Fukutaro Okuyama | 2025-01-21 |
| 11961499 | Sound signal generation device, keyboard instrument and sound signal generation method | Yasuhiko Oba, Akihiko Komatsu | 2024-04-16 |
| 11922912 | Instrument playing apparatus | Fukutaro Okuyama | 2024-03-05 |
| 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 |
| 11326660 | Reaction force generation unit | Ichiro Osuga | 2022-05-10 |
| 11227571 | Switching device for electronic musical instrument | — | 2022-01-18 |
| 11222618 | Sound signal generation device, keyboard instrument, and sound signal generation method | — | 2022-01-11 |
| 11138961 | Sound output device and non-transitory computer-readable storage medium | Yasuhiko Oba, Akihiko Komatsu | 2021-10-05 |
| 10937403 | Signal supply device, keyboard device and non-transitory computer-readable storage medium | Kenichi Nishida, Yasuhiko Oba, Akihiko Komatsu | 2021-03-02 |
| 10902830 | Signal supply device, keyboard device and non-transitory computer-readable storage medium | Kenichi Nishida, Yasuhiko Oba, Akihiko Komatsu | 2021-01-26 |
| 10529311 | Keyboard apparatus and frame | — | 2020-01-07 |
| 10431403 | Reactive force generation device | Ichiro Osuga | 2019-10-01 |
| 10339909 | Electronic musical instrument, keyboard apparatus and frame | — | 2019-07-02 |
| 10311846 | Keyboard musical instrument and method of acquiring correction information in keyboard musical instrument | Ichiro Osuga | 2019-06-04 |