U.S. patent number D664,113 [Application Number D/371,659] was granted by the patent office on 2012-07-24 for headphone. This patent grant is currently assigned to Sony Corporation. Invention is credited to Daisuke Iseki, Kenji Katsumata.
United States Patent | D664,113 |
Katsumata , et al. | July 24, 2012 |
Inventors: | Katsumata; Kenji (Tokyo, JP), Iseki; Daisuke (Tokyo, JP) |
---|---|
Assignee: | Sony Corporation (Tokyo,
JP) |
Appl. No.: | D/371,659 |
Filed: | June 27, 2011 |
Dec 27, 2010 [JP] | D2010-031179 | |||
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,206 ;D29/112 ;181/129,130,135 ;379/430,431 ;381/380,381,338,309,370,374 ;2/423 |
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