Dafan Liu

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Beijing, CN

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Patents Grantslast 30 patents

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- Patent number 10,891,343
- Issue date Jan 12, 2021
- Microsoft Technology Licensing, LLC
- Dafan Liu
- G06 - COMPUTING CALCULATING COUNTING
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- Patent number 9,626,648
- Issue date Apr 18, 2017
- Microsoft Technology Licensing, LLC
- Dafan Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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- Patent number 7,596,597
- Issue date Sep 29, 2009
- Microsoft Corporation
- Dafan Liu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
RECOMMENDING CONTACTS IN A SOCIAL NETWORK
- Publication number 20170177732
- Publication date Jun 22, 2017
- Microsoft Technology Licensing, LLC
- Dafan Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECOMMENDING CONTACTS IN A SOCIAL NETWORK
- Publication number 20090319466
- Publication date Dec 24, 2009
- Microsoft Corporation
- Dafan Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECOMMENDING CONTACTS IN A SOCIAL NETWORK
- Publication number 20080059576
- Publication date Mar 6, 2008
- Microsoft Corporation
- Dafan Liu
- G06 - COMPUTING CALCULATING COUNTING