Shengguo CAO

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for video replaying
- Patent number 11,482,256
- Issue date Oct 25, 2022
- ZHEJIANG DAHUA TECHNOLOGY CO., LTD
- Changhong Qin
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for video replaying
- Patent number 10,726,876
- Issue date Jul 28, 2020
- ZHEJIANG DAHUA TECHNOLOGY CO., LTD
- Changhong Qin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR IMAGE RETRIEVAL
- Publication number 20220100795
- Publication date Mar 31, 2022
- Zhejiang Dahua Technology CO., LTD.
- Shengguo CAO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR VIDEO REPLAYING
- Publication number 20200357444
- Publication date Nov 12, 2020
- Zhejiang Dahua Technology CO., LTD.
- Changhong QIN
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR VIDEO REPLAYING
- Publication number 20190333542
- Publication date Oct 31, 2019
- ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
- Changhong QIN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE