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ShenZhen, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system encrypting and decrypting audio/video file
Patent number
10,958,875
Issue date
Mar 23, 2021
Xiamen Sigmastar Technology Ltd.
Lijing Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for authorizing software in electronic device
Patent number
10,949,506
Issue date
Mar 16, 2021
Xiamen Sigmastar Technology Ltd.
Lijing Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
DC power converting circuit and method thereof
Patent number
8,502,512
Issue date
Aug 6, 2013
MStar Semiconductor, Inc.
Lijing Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND SYSTEM ENCRYPTING AND DECRYPTING AUDIO/VIDEO FILE
Publication number
20190238795
Publication date
Aug 1, 2019
Mstar Semiconductor, Inc.
LIJING CHEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR AUTHORIZING SOFTWARE IN ELECTRONIC DEVICE
Publication number
20190205506
Publication date
Jul 4, 2019
Mstar Semiconductor, Inc.
LIJING CHEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD FOR PREVENTING IMAGE MODIFICATION, IMAGE CAPTURING DEVICE AN...
Publication number
20190158698
Publication date
May 23, 2019
Mstar Semiconductor, Inc.
LIJING CHEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DC Power Converting Circuit and Method Thereof
Publication number
20110025290
Publication date
Feb 3, 2011
Mstar Semiconductor, Inc.
LIJING CHEN
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...