Tongxian Chen

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
System and method for editing a hand-drawn list in ink input
- Patent number 7,904,810
- Issue date Mar 8, 2011
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for editing ink objects
- Patent number 7,503,015
- Issue date Mar 10, 2009
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for editing a hand-drawn table in ink input
- Patent number 7,412,094
- Issue date Aug 12, 2008
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for editing a hand-drawn chart in ink input
- Patent number 7,394,935
- Issue date Jul 1, 2008
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for detecting a list in ink input
- Patent number 7,295,708
- Issue date Nov 13, 2007
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
System and method for editing a hand-drawn table in ink input
- Publication number 20060061776
- Publication date Mar 23, 2006
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for editing a hand-drawn list in ink input
- Publication number 20060061778
- Publication date Mar 23, 2006
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for editing a hand-drawn chart in ink input
- Publication number 20060061780
- Publication date Mar 23, 2006
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for editing ink objects
- Publication number 20060061779
- Publication date Mar 23, 2006
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for detecting a list in ink input
- Publication number 20050063591
- Publication date Mar 24, 2005
- Microsoft Corporation
- Tongxian Chen
- G06 - COMPUTING CALCULATING COUNTING