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last 30 patents
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Patent Grant
Systems and methods for impact testing and monitoring of high-energ...
Patent number
12,222,331
Issue date
Feb 11, 2025
RAILWAY ENGINEERING RESEARCH INSTITUTE, CHINA ACADEMY OF RAILWAY SCIENCES CO....
Yufang Zhang
G01 - MEASURING TESTING
Information
Patent Grant
Communication method and communication node for device-to-device di...
Patent number
10,069,661
Issue date
Sep 4, 2018
BEIJING ZHIGU RUI TUO TECH CO., LTD
Shengqian Han
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
POWER SUPPLY CIRCUIT, DRIVING METHOD THEREOF, PRINTED CIRCUIT BOARD...
Publication number
20240242656
Publication date
Jul 18, 2024
CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Ying Zhang
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Communication Method and Communication Node for Device-to-Device Di...
Publication number
20170250842
Publication date
Aug 31, 2017
BEIJING ZHIGU RUI TUO TECH CO., LTD
Shengqian HAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE