Fujiwara; Keitaro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Fujiwara; Keitaro.The latest application filed is for "headphone device".
- Fujiwara; Keitaro - Tokyo JP
| Patent | Date |
|---|---|
| Headphone device Grant 8,983,110 - Fujiwara , et al. March 17, 2 | 2015-03-17 |
| Headphone Device App 20140198943 - FUJIWARA; Keitaro ; et al. | 2014-07-17 |
| Headphone device Grant 8,767,997 - Fujiwara , et al. July 1, 2 | 2014-07-01 |
| Headphone Grant 8,213,665 - Fujiwara , et al. July 3, 2 | 2012-07-03 |
| Long Body Unit With Slider App 20120043111 - Shiomi; Shunsuke ; et al. | 2012-02-23 |
| Headphones and headphones placement device Grant 7,853,035 - Tsunoda , et al. December 14, 2 | 2010-12-14 |
| Headphone Device App 20090052719 - Fujiwara; Keitaro ; et al. | 2009-02-26 |
| Headphone App 20080056525 - FUJIWARA; Keitaro ; et al. | 2008-03-06 |
| Headphones and headphones placement device App 20070053539 - Tsunoda; Naotaka ; et al. | 2007-03-08 |
| Headphone apparatus App 20060104471 - Tsunoda; Naotaka ; et al. | 2006-05-18 |
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