Lei CHEN

Follow

Person

Hangzhou, Zhejiang, CN

People

Patents Grantslast 30 patents

Information Patent Grant
White balance adjustment method and apparatus, camera and medium
- Patent number 11,323,677
- Issue date May 3, 2022
- Hangzhou Hikvision Digital Technology Co., Ltd.
- Renfu Tian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for calculating a luminance value of a region...
- Patent number 11,205,088
- Issue date Dec 21, 2021
- Hangzhou Hikvision Digital Technology Co., Ltd.
- Lei Chen
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SPLIT-TYPE PIEZOELECTRIC SENSOR
- Publication number 20240201034
- Publication date Jun 20, 2024
- Keeson Technology Corporation Limited
- Huafeng Shan
- G01 - MEASURING TESTING
Information Patent Application
PRESSURE COMPENSATION DEVICE WITH ACCUMULATOR GROUP FOR CONTROLLED...
- Publication number 20230228162
- Publication date Jul 20, 2023
- CNPC BOHAI DRILING ENGINEERING COMPANY LIMITED
- Jinshan MA
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR CALCULATING A LUMINANCE VALUE OF A REGION...
- Publication number 20210150251
- Publication date May 20, 2021
- Hangzhou Hikvision Digital Technology Co., Ltd.
- Lei CHEN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WHITE BALANCE ADJUSTMENT METHOD AND APPARATUS, CAMERA AND MEDIUM
- Publication number 20200120321
- Publication date Apr 16, 2020
- HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.
- Renfu TIAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE