James John

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Cambridge, GB

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Patents Grantslast 30 patents

Information Patent Grant
Electro-active diffractive lens and method for making the same
- Patent number 8,830,408
- Issue date Sep 9, 2014
- HPO Assets LLC
- Joshua N. Haddock
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Electro-active diffractive lens and method for making the same
- Patent number 8,523,354
- Issue date Sep 3, 2013
- PixelOptics Inc.
- Joshua N. Haddock
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ELECTRO-ACTIVE DIFFRACTIVE LENS AND METHOD FOR MAKING THE SAME
- Publication number 20140347581
- Publication date Nov 27, 2014
- Joshua N. HADDOCK
- G02 - OPTICS
Information Patent Application
Electro-Active Diffractive Lens and Method for Making the Same
- Publication number 20140009700
- Publication date Jan 9, 2014
- PixelOptics, Inc.
- Joshua N. Haddock
- G02 - OPTICS
Information Patent Application
ELECTRO-ACTIVE DIFFRACTIVE LENS AND METHOD FOR MAKING THE SAME
- Publication number 20090256977
- Publication date Oct 15, 2009
- PixelOptics Inc.
- Joshua N. HADDOCK
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL