Weiwei Cai

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Video coding and decoding methods and apparatus
- Patent number 10,638,142
- Issue date Apr 28, 2020
- HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD
- Bin Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, device and system for target tracking
- Patent number 10,281,554
- Issue date May 7, 2019
- Hangzhou Hikvision Digital Technology Co., Ltd.
- Chao Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and device for obtaining evidences for illegal parking of a...
- Patent number 10,229,588
- Issue date Mar 12, 2019
- Hangzhou Hikvision Digital Technology Co., Ltd
- Jun Che
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for people flow statistics
- Patent number 8,798,327
- Issue date Aug 5, 2014
- HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD
- Zhigang Hu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR OBTAINING EVIDENCES FOR ILLEGAL PARKING OF A...
- Publication number 20180268687
- Publication date Sep 20, 2018
- Hangzhou Hikvision Digital Technology Co., Ltd.
- Jun CHE
- G08 - SIGNALLING
Information Patent Application
VIDEO CODING AND DECODING METHODS AND APPARATUS
- Publication number 20180131950
- Publication date May 10, 2018
- HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
- Bin Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, DEVICE AND SYSTEM FOR TARGET TRACKING
- Publication number 20180059207
- Publication date Mar 1, 2018
- Hangzhou Hikvision Digital Technology Co.. Ltd
- Chao Wang
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR PEOPLE FLOW STATISTICS
- Publication number 20130070969
- Publication date Mar 21, 2013
- HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
- Zhigang Hu
- G06 - COMPUTING CALCULATING COUNTING