Haiwen CAI

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Patents Grantslast 30 patents

Information Patent Grant
Multi-dimensional spatial positioning system and method for disturb...
- Patent number 12,007,259
- Issue date Jun 11, 2024
- Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Zhaoyong Wang
- G01 - MEASURING TESTING
Information Patent Grant
Distributed fiber-optic acoustic sensing system and signal processi...
- Patent number 11,946,799
- Issue date Apr 2, 2024
- Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Haiwen Cai
- G01 - MEASURING TESTING
Information Patent Grant
Hollow-core photonic crystal fiber gas cell and method for preparin...
- Patent number 9,709,730
- Issue date Jul 18, 2017
- Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Haiwen Cai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MULTI-DIMENSIONAL SPATIAL POSITIONING SYSTEM AND METHOD FOR DISTURB...
- Publication number 20220107209
- Publication date Apr 7, 2022
- Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
- Haiwen CAI
- G01 - MEASURING TESTING
Information Patent Application
DISTRIBUTED FIBER-OPTIC ACOUSTIC SENSING SYSTEM AND SIGNAL PROCESSI...
- Publication number 20210293612
- Publication date Sep 23, 2021
- Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
- Haiwen CAI
- G01 - MEASURING TESTING
Information Patent Application
HOLLOW-CORE PHOTONIC CRYSTAL FIBER GAS CELL AND METHOD FOR PREPARIN...
- Publication number 20170108641
- Publication date Apr 20, 2017
- Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
- Haiwen CAI
- G02 - OPTICS