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Patent applications and USPTO patent grants for Ji; Yexin.The latest application filed is for "switching control method for a dual auxiliary power supply".
Patent | Date |
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Constant-current charging circuit, energy storage power source and constant-current charging method Grant 10,978,882 - Ji , et al. April 13, 2 | 2021-04-13 |
Switching control method for a dual auxiliary power supply Grant 10,340,798 - Ji , et al. | 2019-07-02 |
Switching Control Method For A Dual Auxiliary Power Supply App 20190013694 - Ji; Yexin ;   et al. | 2019-01-10 |
Constant-Current Charging Circuit, Energy Storage Power Source and Constant-Current Charging Method App 20180337543 - Ji; Yexin ;   et al. | 2018-11-22 |
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