Zifeng Hou

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Finger pointing apparatus
- Patent number 8,373,656
- Issue date Feb 12, 2013
- Lenovo (Beijing) Limited
- Zifeng Hou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Projector and method for acquiring coordinate of bright spot
- Patent number 8,079,714
- Issue date Dec 20, 2011
- Beijing Lenovo Software Ltd.
- Shaoping Peng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PROJECTOR AND METHOD FOR ACQUIRING COORDINATE OF BRIGHT SPOT
- Publication number 20100149436
- Publication date Jun 17, 2010
- Lenovo (Beijing) Limited
- Shaoping Peng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FINGER POINTING APPARATUS
- Publication number 20090046059
- Publication date Feb 19, 2009
- Lenovo (Beijing) Limited
- Zifeng Hou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for improving channel transmission efficiency in wireless ne...
- Publication number 20060153150
- Publication date Jul 13, 2006
- Xuexian Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Combined long and short distance wireless communication system and...
- Publication number 20050064866
- Publication date Mar 24, 2005
- Lenovo (Beijing) Limited
- Guobin Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE