Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10852770 | Electronic device having a waterproof structure | Kenzo Ichikawa, Hiroyuki Fujiwara | 2020-12-01 |
| 10692474 | Key unit and keyboard instrument | Hirokazu Taniguchi, Yuichi Nishimura | 2020-06-23 |
| 10638240 | Bone conduction wave generation device, bone conduction wave generation method, bone conduction wave generation device program, and bone conduction wave output apparatus | — | 2020-04-28 |
| 10546567 | Hammer unit and keyboard instrument | — | 2020-01-28 |