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Beijing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for scroll information input in electromagneti...
Patent number
9,116,591
Issue date
Aug 25, 2015
Hanwang Technology Co., Ltd.
Yingjian Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for measuring distance between coordinate indicator and coor...
Patent number
8,797,300
Issue date
Aug 5, 2014
Hanwang Technology Co., Ltd.
Yingjian Liu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Method For Measuring Distance Between Coordinate Indicator and Coor...
Publication number
20120086633
Publication date
Apr 12, 2012
Hanwang Technology Co., Ltd.
Yingjian Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND DEVICE FOR MEASURING PRESSURE-BASED INDUCTANCE OF ELECTR...
Publication number
20120049866
Publication date
Mar 1, 2012
Songlin Wu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR SCROLL INFORMATION INPUT IN ELECTROMAGNETI...
Publication number
20110179382
Publication date
Jul 21, 2011
Hanwang Technology Co., Ltd.
Yingjian Liu
G06 - COMPUTING CALCULATING COUNTING