Masuda; Masahisa
Patent Applications and Registrations
Patent applications and USPTO patent grants for Masuda; Masahisa.The latest application filed is for "automatic-switching wireless communication device".
- Masuda; Masahisa - Beaverton OR
- Masuda; Masahisa - Westlinn OR
| Patent | Date |
|---|---|
| Single transducer full duplex talking circuit Grant 8,315,379 - Masuda , et al. November 20, 2 | 2012-11-20 |
| Two-way communications device having a single transducer Grant 7,881,483 - Masuda , et al. February 1, 2 | 2011-02-01 |
| Automatic-switching wireless communication device Grant 7,826,805 - Masuda , et al. November 2, 2 | 2010-11-02 |
| Automatic-Switching Wireless Communication Device App 20080274764 - Masuda; Masahisa ; et al. | 2008-11-06 |
| Single Transducer Full Duplex Talking Circuit App 20080170515 - Masuda; Masahisa ; et al. | 2008-07-17 |
| Two-way Communications Device Having A Single Transducer App 20070133442 - Masuda; Masahisa ; et al. | 2007-06-14 |
| Audio headset Grant 7,072,476 - White , et al. July 4, 2 | 2006-07-04 |
| Audio headset App 20040136543 - White, Donald R. ; et al. | 2004-07-15 |
| Loopdown and looparound headsets App 20020186858 - Masuda, Masahisa ; et al. | 2002-12-12 |
| Headset with loopback band Grant D458,245 - Masuda June 4, 2 | 2002-06-04 |
| Headset with loopdown band Grant D458,244 - Masuda June 4, 2 | 2002-06-04 |
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