Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11240588 | Sound reproducing apparatus | Masataka Ozawa, Kazuhiro Sekine | 2022-02-01 |
| 10812891 | Sound output apparatus and method of executing function of sound output apparatus | Ryuya Koike, Issei Yamazaki | 2020-10-20 |
| 9918157 | Headphone type acoustic apparatus and control method therefor | Atsuto Ohashi, Asako Kawamura, Yasuhiro Onogi | 2018-03-13 |
| 9693129 | Headphone type acoustic apparatus | Atsuto Ohashi, Asako Kawamura, Yasuhiro Onogi | 2017-06-27 |