Hirai; Kota
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirai; Kota.The latest application filed is for "audio signal output device and audio output system".
- Hirai; Kota - Ibaraki JP
- Hirai; Kota - Daito JP
- Hirai; Kota - Ibaraki-shi JP
- Hirai; Kota - Daito-shi JP
| Patent | Date |
|---|---|
| Audio signal output device and audio output system Grant 9,780,750 - Ito , et al. October 3, 2 | 2017-10-03 |
| Audio signal output device and audio output system Grant 9,490,763 - Taniguchi , et al. November 8, 2 | 2016-11-08 |
| Audio Signal Output Device and Audio Output System App 20150043752 - Ito; Yuichi ; et al. | 2015-02-12 |
| Audio Signal Output Device and Audio Output System App 20130259265 - TANIGUCHI; Atushi ; et al. | 2013-10-03 |
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