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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
Information
Patent Grant
Device for varying capacitance
Patent number
7,696,444
Issue date
Apr 13, 2010
Hanwang Technology Co., Ltd.
Yingjian Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wireless and passive tablet for inputting to computer
Patent number
7,623,120
Issue date
Nov 24, 2009
Hanwang Technology Co., Ltd.
Yingjian Liu
G06 - COMPUTING CALCULATING COUNTING
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
MULTI-ORIENTATION HANDWRITING TRACE INPUT DEVICE AND METHOD FOR ROT...
Publication number
20110199293
Publication date
Aug 18, 2011
Hanwang Technology Co., Ltd.
Yingjian Liu
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
Information
Patent Application
Apparatus Having Handwriting and Mouse Input Functions
Publication number
20080266260
Publication date
Oct 30, 2008
Hanwang Technology Co., Ltd.
Yingjian Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Device for varing capacitance
Publication number
20070180923
Publication date
Aug 9, 2007
Hanwang Technology Co., Ltd.
Yingjian Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Wireless and passive tablet for inputting to computer
Publication number
20060007164
Publication date
Jan 12, 2006
Yingjian Liu
G06 - COMPUTING CALCULATING COUNTING