Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9918157 | Headphone type acoustic apparatus and control method therefor | Jo Kamada, Atsuto Ohashi, Yasuhiro Onogi | 2018-03-13 |
| D797706 | Headphone | Daisuke Sagawa, Takayuki Akai, So Morimoto | 2017-09-19 |
| 9693129 | Headphone type acoustic apparatus | Jo Kamada, Atsuto Ohashi, Yasuhiro Onogi | 2017-06-27 |
| 7929040 | Recording and reproducing device including a movable unit | — | 2011-04-19 |
| 7636121 | Recording and reproducing device | Ryota Matsumoto | 2009-12-22 |
| 6691920 | Recording and/or reproducing device and method for loading storage medium | Masaaki Ohara, Taizo Ogawa | 2004-02-17 |