logo

For the Inventor, By the Inventor

Menlo Park, CA, United States of America

Pilkington Visioncare, Inc.


USPTO Granted Patents = 11


Forward Citations = 470

Loading Chart...
Loading Chart...

26 inventors (with patents filed for the assignee):

goldMedal Ashok R Thakrar (3 out of 6 patents)

silverMedal John M Evans (3 out of 10 patents)

bronzeMedal Praful Doshi (1 out of 20 patents)

4.  James C Powell (1 out of 3 patents)

5.  Edgar M Litzaw (1 out of 3 patents)

6.  Donald J Ratkowski (1 out of 11 patents)

7.  Lisa A Pettigrew (1 out of 1 patent)

8.  William J Burke (1 out of 6 patents)

9.  Joseph I Weinschenk, Iii (1 out of 1 patent)

10.  Norman M Van Houten (1 out of 1 patent)

11.  Richard S Skipper (1 out of 1 patent)

12.  Peter H Stafford (1 out of 1 patent)

13.  John T Phoenix (1 out of 1 patent)

14.  Mark J Bedford (1 out of 1 patent)

15.  John S Tait (1 out of 1 patent)


11 patents:

1. 5366668 - Polymeric bifocal lens production process (1994-11-22),
2. 5362768 - Hydrogel material (1994-11-08),
3. 5323192 - Method and packaging system for facilitating fabrication of laminated (1994-06-21),
4. 5302978 - Contact lens (1994-04-12),
5. 5238153 - Dispenser for dispersing sterile solutions (1993-08-24),
6. 5170192 - Oxygen permeable bifocal contact lenses and their manufacture (1992-12-08),
7. 5160463 - Method of manufacturing a contact lens (1992-11-03),
8. 5158718 - Contact lens casting (1992-10-27),
9. 5149181 - Lens wafer, laminate lens and method of fabrication thereof (1992-09-22),
10. 5110278 - Injection molding apparatus for producing a toric lens casting mold arbor (1992-05-05),
11. 4940762 - Oxygen permeable lens with hydrolyzable silicon group (1990-07-10),
Company Overview
Pilkington Visioncare, Inc. is a prominent player in the optical industry, specializing in the development and manufacturing of advanced optical products. The company focuses on innovative solutions for vision correction, including high-quality lenses and coatings designed to enhance visual performance and comfort. Based in Menlo Park, California, Pilkington Visioncare is dedicated to research and technology in the field of optics, aiming to improve the quality of life for individuals with vision impairments through cutting-edge advancements.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#116 in Menlo Park, CA

#6,541 in California

#27,514 in US

#51,761 in the World

Menlo Park, CA (US)
Menlo Park, CA, United States of America

Pilkington Visioncare, Inc.

Forward Citations = 470

26 inventors:

goldMedal Ashok R Thakrar (3 out of 6 patents)

silverMedal John M Evans (3 out of 10 patents)

bronzeMedal Praful Doshi (1 out of 20 patents)

4.  James C Powell (1 out of 3 patents)

5.  Edgar M Litzaw (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pilkington Visioncare, Inc.. Retrieved from https://idiyas.com/company/pilkington-visioncare

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…