KOTEGAWA; Kazuhisa
Patent Applications and Registrations
Patent applications and USPTO patent grants for KOTEGAWA; Kazuhisa.The latest application filed is for "active noise reduction device, vehicle, and active noise reduction method".
- KOTEGAWA; Kazuhisa - Osaka JP
| Patent | Date |
|---|---|
| Active Noise Reduction Device, Vehicle, And Anomaly Determination Method App 20220284879 - KOTEGAWA; Kazuhisa | 2022-09-08 |
| Active Noise Reduction Device, Vehicle, And Active Noise Reduction Method App 20220284881 - KOTEGAWA; Kazuhisa ; et al. | 2022-09-08 |
| Active noise reduction device and active noise reduction method Grant 11,438,696 - Yanagi , et al. September 6, 2 | 2022-09-06 |
| Active Noise Reduction Device And Active Noise Reduction Method App 20210306745 - YANAGI; Shota ; et al. | 2021-09-30 |
| Noise masking device, vehicle and noise masking method Grant 10,685,637 - Kotegawa , et al. | 2020-06-16 |
| Sound masking device, vehicle, and sound masking method Grant 10,290,295 - Kotegawa , et al. | 2019-05-14 |
| Noise Masking Device, Vehicle And Noise Masking Method App 20190130887 - KOTEGAWA; Kazuhisa ; et al. | 2019-05-02 |
| Sound Masking Device, Vehicle, And Sound Masking Method App 20180166061 - KOTEGAWA; Kazuhisa ; et al. | 2018-06-14 |
| Sound reproduction device Grant 9,036,856 - Takeda , et al. May 19, 2 | 2015-05-19 |
| Ultrasonic speaker system Grant 8,855,333 - Kotegawa , et al. October 7, 2 | 2014-10-07 |
| Sound Reproduction Device App 20140254811 - TAKEDA; Katsu ; et al. | 2014-09-11 |
| Ultrasonic Speaker System App 20140233760 - KOTEGAWA; Kazuhisa ; et al. | 2014-08-21 |
| Sound reproducing apparatus Grant 8,155,328 - Kotegawa , et al. April 10, 2 | 2012-04-10 |
| Sound reproducing apparatus Grant 8,139,798 - Kotegawa , et al. March 20, 2 | 2012-03-20 |
| Sound reproducing apparatus and vehicle using the sound reproducing apparatus Grant 8,116,488 - Nagasawa , et al. February 14, 2 | 2012-02-14 |
| Sound Reproducing Apparatus App 20090225995 - Kotegawa; Kazuhisa ; et al. | 2009-09-10 |
| Sound Reproducing Apparatus And Vehicle Using The Sound Reproducing Apparatus App 20090074212 - Nagasawa; Shinnosuke ; et al. | 2009-03-19 |
| Sound Reproducing Apparatus App 20090052693 - Kotegawa; Kazuhisa ; et al. | 2009-02-26 |
| Sound Reproducing Apparatus App 20070189552 - KOTEGAWA; Kazuhisa ; et al. | 2007-08-16 |
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