He; Zhengyan
Patent Applications and Registrations
Patent applications and USPTO patent grants for He; Zhengyan.The latest application filed is for "power converter and related system".
- He; Zhengyan - Nuremberg DE
- HE; Zhengyan - Wuhan Hubei
| Patent | Date |
|---|---|
| Power converter and related system Grant 11,437,904 - He , et al. September 6, 2 | 2022-09-06 |
| Power converter and related system Grant 11,404,951 - He , et al. August 2, 2 | 2022-08-02 |
| Power Converter And Related System App 20210091653 - HE; Zhengyan ; et al. | 2021-03-25 |
| Method For Extracting And Separating Zirconium And Hafnium In Nitric Acid Medium App 20200024687 - XU; Zhigao ; et al. | 2020-01-23 |
| Method Of Extracting And Separating Zirconium And Hafnium From Hydrochloric Acid Medium App 20200024151 - XU; Zhigao ; et al. | 2020-01-23 |
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