Zhao; Yongji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zhao; Yongji.The latest application filed is for "active noise reduction method, system, and new energy vehicle".
- Zhao; Yongji - Shenzhen CN
- Zhao; Yongji - Heilongjiang N/A CN
| Patent | Date |
|---|---|
| Active noise reduction method, system, and new energy vehicle Grant 11,087,734 - Sun , et al. August 10, 2 | 2021-08-10 |
| Active Noise Reduction Method, System, And New Energy Vehicle App 20210225350 - SUN; Yaxuan ; et al. | 2021-07-22 |
| Side wall and boxcar of railway wagon Grant 8,468,954 - Han , et al. June 25, 2 | 2013-06-25 |
| Side Wall And Boxcar Of Railway Wagon App 20110253006 - Han; Junfeng ; et al. | 2011-10-20 |
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