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Daniel H. Chang
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La Crescenta, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Ultra-high speed, active polymer-silica hydrid, single control volt...
Patent number
6,847,751
Issue date
Jan 25, 2005
Pacific Wave Industries, Inc.
Daniel H. Chang
G02 - OPTICS
Information
Patent Grant
Ultra-high speed, active polymer-silica hybrid, single control volt...
Patent number
6,643,419
Issue date
Nov 4, 2003
Pacific Wave Industries, Inc.
Daniel H. Chang
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Ultra-high speed, active polymer-silica hybrid, single control volt...
Publication number
20040071402
Publication date
Apr 15, 2004
Daniel H. Chang
G02 - OPTICS
Information
Patent Application
Ultra-high speed, active polymer-silica hybrid, single control volt...
Publication number
20040047544
Publication date
Mar 11, 2004
Daniel H. Chang
G02 - OPTICS
Information
Patent Application
Ultra-high speed, active polymer-silica hybrid, single control volt...
Publication number
20030103710
Publication date
Jun 5, 2003
Daniel H. Chang
G02 - OPTICS