Ashok R. Thakrar

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a contact lens
- Patent number 5,433,898
- Issue date Jul 18, 1995
- Pilkington Barnes Hind, Inc.
- Ashok R. Thakrar
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Contact lens
- Patent number 5,302,978
- Issue date Apr 12, 1994
- Pilkington Visioncare, Inc.
- John M. Evans
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing a contact lens
- Patent number 5,160,463
- Issue date Nov 3, 1992
- Pilkington Visioncare, Inc.
- John M. Evans
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Contact lenses with color shifting properties
- Publication number 20040114101
- Publication date Jun 17, 2004
- Ocular Sciences, Inc.
- Ashok R. Thakrar
- G02 - OPTICS
Information Patent Application
Colored contact lenses
- Publication number 20030117576
- Publication date Jun 26, 2003
- Ocular Sciences, Inc.
- Ashok R. Thakrar
- G02 - OPTICS