Xuxian Niu

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Pleasanton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Interference fitting polar resin ophthalmic lens molding devices an...
- Patent number 8,287,782
- Issue date Oct 16, 2012
- CooperVision International Holding Company, LP
- Li Yao
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polyolefin contact lens molds and uses thereof
- Patent number 8,003,024
- Issue date Aug 23, 2011
- CooperVision International Holding Company, LP
- Li Yao
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Methods and Systems for Manufacturing Contact Lenses
- Publication number 20140008824
- Publication date Jan 9, 2014
- COOPERVISION INTERNATIONAL HOLDING COMPANY, L.P.
- Xuxian Niu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYOLEFIN CONTACT LENS MOLDS AND USES THEREOF
- Publication number 20080067702
- Publication date Mar 20, 2008
- Li Yao
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
INTERFERENCE FITTING POLAR RESIN OPHTHALMIC LENS MOLDING DEVICES AN...
- Publication number 20080054505
- Publication date Mar 6, 2008
- Li Yao
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL