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Xiaojie Xu
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Tucson, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process for manufacturing grin lenses
Patent number
5,992,179
Issue date
Nov 30, 1999
Light Path Technologies, Inc.
Xiaojie Xu
G02 - OPTICS
Information
Patent Grant
Method of manufacturing a grin lens
Patent number
5,917,105
Issue date
Jun 29, 1999
LightPath Technologies, Inc.
Xiaojie Xu
G02 - OPTICS
Information
Patent Grant
GRIN lens and method of manufacturing
Patent number
5,689,374
Issue date
Nov 18, 1997
Lightpath Technologies, Inc.
Xiaojie Xu
G02 - OPTICS
Information
Patent Grant
Process for manufacturing GRIN lenses by melting a series of layers...
Patent number
5,630,857
Issue date
May 20, 1997
Lightpath Technologies, Inc.
Xiaojie Xu
G02 - OPTICS
Information
Patent Grant
Lead glass composition series for gradient glasses
Patent number
5,504,623
Issue date
Apr 2, 1996
LightPath Technologies, Incorporated
Xiaojie Xu
G02 - OPTICS
Information
Patent Grant
Lead glass composition series for gradient glasses
Patent number
5,459,613
Issue date
Oct 17, 1995
LightPath Technologies, Inc.
Xiaojie Xu
G02 - OPTICS