Ding; Chaohui
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ding; Chaohui.The latest application filed is for "system, method, and server for playing multimedia resource".
- Ding; Chaohui - Shenzhen CN
- Ding; Chaohui - Guangdong CN
| Patent | Date |
|---|---|
| System, method, and server for playing multimedia resource Grant 11,108,727 - Qian , et al. August 31, 2 | 2021-08-31 |
| Complex hardware-based system for video surveillance tracking Grant 10,812,761 - Zhang , et al. October 20, 2 | 2020-10-20 |
| Authorization method, apparatus, and system applied to electronic lock Grant 10,586,415 - Qian , et al. | 2020-03-10 |
| System, Method, And Server For Playing Multimedia Resource App 20180367497 - Qian; Kai ; et al. | 2018-12-20 |
| Authorization Method, Apparatus, And System Applied To Electronic Lock App 20180322718 - QIAN; Kai ; et al. | 2018-11-08 |
| Complex Hardware-based System For Video Surveillance Tracking App 20180278892 - ZHANG; Lei ; et al. | 2018-09-27 |
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