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COSMOGEAR CO., LTD.
| COSMOGEAR CO., LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090304209 | Bone conduction earphone - A bone conduction earphone in which a large magnetic force can be generated and which can achieve improvement of sound quality and reduction of power consumption is provided. A vibration part | 12-10-2009 |