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Patent applications and USPTO patent grants for Yamanaka; Akitomo.The latest application filed is for "electric compressor controller and refrigeration cycle device".
Patent | Date |
---|---|
Electric compressor controller and refrigeration cycle device Grant 10,801,497 - Nakamoto , et al. October 13, 2 | 2020-10-13 |
Air conditioning apparatus Grant 10,465,953 - Ohyama , et al. No | 2019-11-05 |
Motor driving device Grant 10,250,174 - Sakai , et al. | 2019-04-02 |
Electric Compressor Controller And Refrigeration Cycle Device App 20180202442 - NAKAMOTO; Shinji ;   et al. | 2018-07-19 |
Motor Driving Device App 20180175766 - SAKAI; Koji ;   et al. | 2018-06-21 |
Air Conditioning Apparatus App 20170370626 - OHYAMA; Teruaki ;   et al. | 2017-12-28 |
Driving device Grant 9,318,973 - Yamanaka April 19, 2 | 2016-04-19 |
Driving Device App 20150049531 - Yamanaka; Akitomo | 2015-02-19 |
Electric motor drive device, control method of electric motor drive device, and electrically driven device Grant 8,278,859 - Sakai , et al. October 2, 2 | 2012-10-02 |
Electric Motor Drive Device, Control Method Of Electric Motor Drive Device, And Electrically Driven Device App 20110031922 - SAKAI; Koji ;   et al. | 2011-02-10 |
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