Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D701854 | Earphone | Jun Katsumata, So Morimoto | 2014-04-01 |
| D691583 | Headphone | — | 2013-10-15 |
| D683328 | Earphone | — | 2013-05-28 |
| D679682 | Earphone | Yosuke Shimizu, Keiko Densho, Naoki Sugiyama, So Morimoto, Naoto Shimizu +1 more | 2013-04-09 |
| D677243 | Headphone | Emmanuelle Choteau | 2013-03-05 |
| D670274 | Earphone | Jun Katsumata, So Morimoto | 2012-11-06 |
| D668637 | Earphone | — | 2012-10-09 |
| D666990 | Headphone | Jun Komiyama | 2012-09-11 |
| D656125 | Headphone | Jun Komiyama | 2012-03-20 |
| D637180 | Earphone | Yosuke Shimizu, Keiko Densho, Naoki Sugiyama, So Morimoto, Naoto Shimizu | 2011-05-03 |
| D634730 | Headphone | — | 2011-03-22 |
| D632282 | Earphone | — | 2011-02-08 |
| D629389 | Speaker box | — | 2010-12-21 |
| D610129 | Earphone | Keiko Densho, Yosuke Shimizu, Naoki Sugiyama, Naoto Shimizu, So Morimoto | 2010-02-16 |
| D604272 | Earphone | — | 2009-11-17 |