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Patent applications and USPTO patent grants for Matsubara; Yoshikatsu.The latest application filed is for "fixed element and position detection device".
Patent | Date |
---|---|
Fixed element and position detection device Grant 11,002,570 - Ueda , et al. May 11, 2 | 2021-05-11 |
Fixed Element And Position Detection Device App 20190025090 - UEDA; Taku ;   et al. | 2019-01-24 |
Electrostatic loudspeaker Grant 8,983,099 - Takano , et al. March 17, 2 | 2015-03-17 |
Electrostatic speaker Grant 8,666,097 - Ichikawa , et al. March 4, 2 | 2014-03-04 |
Electrostatic Loudspeaker App 20130108087 - Takano; Yasuaki ;   et al. | 2013-05-02 |
Earphone device and sound generating apparatus equipped with the same Grant 8,320,601 - Takigawa , et al. November 27, 2 | 2012-11-27 |
Earphone device and sound generating apparatus equipped with the same Grant 8,270,657 - Takigawa , et al. September 18, 2 | 2012-09-18 |
Earphone device, sound tube forming a part of earphone device and sound generating apparatus Grant 8,090,134 - Takigawa , et al. January 3, 2 | 2012-01-03 |
Electrostatic Speaker App 20110075869 - Ichikawa; Hiromi ;   et al. | 2011-03-31 |
Earphone Device And Sound Generating Apparatus Equipped With The Same App 20100166245 - Takigawa; Souichi ;   et al. | 2010-07-01 |
Earphone Device, Sound Tube Forming A Part Of Earphone Device And Sound Generating Apparatus App 20100061582 - Takigawa; Souichi ;   et al. | 2010-03-11 |
Earphone Device And Sound Generating Apparatus Equipped With The Same App 20090285437 - Takigawa; Souichi ;   et al. | 2009-11-19 |
Apparatus for reproducing video, audio, and accompanying characters and method of manufacture Grant 5,863,206 - Narusawa , et al. January 26, 1 | 1999-01-26 |
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