ZEJUN XIANG

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CHONGQING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Methods for correcting and encrypting space coordinates of three-di...
- Patent number 11,887,254
- Issue date Jan 30, 2024
- CHONGQING SURVEY INSTITUTE
- Zejun Xiang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for extracting and analyzing spatial information of control...
- Patent number 11,760,397
- Issue date Sep 19, 2023
- CHONGQING SURVEY INSTITUTE
- Hanxin Chen
- B61 - RAILWAYS
Information Patent Grant
Point cloud data acquisition method and device under situation of n...
- Patent number 11,385,359
- Issue date Jul 12, 2022
- CHONGQING SURVEY INSTITUTE
- Hanxin Chen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Methods for Correcting and Encrypting Space Coordinates of Three-Di...
- Publication number 20220414982
- Publication date Dec 29, 2022
- CHONGQING SURVEY INSTITUTE
- Zejun Xiang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for Extracting and Analyzing Spatial Information of Control...
- Publication number 20220169295
- Publication date Jun 2, 2022
- CHONGQING SURVEY INSTITUTE
- Hanxin Chen
- B61 - RAILWAYS
Information Patent Application
POINT CLOUD DATA ACQUISITION METHOD AND DEVICE UNDER SITUATION OF N...
- Publication number 20210223408
- Publication date Jul 22, 2021
- CHONGQING SURVEY INSTITUTE
- HANXIN CHEN
- G01 - MEASURING TESTING