Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |