Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D634732 | Headphone | Chung-Hsien Tseng, Wataru Sakuma | 2011-03-22 |
| D633896 | Headphone | Chih-Wei Yang, Wataru Sakuma | 2011-03-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D634732 | Headphone | Chung-Hsien Tseng, Wataru Sakuma | 2011-03-22 |
| D633896 | Headphone | Chih-Wei Yang, Wataru Sakuma | 2011-03-08 |