DP

David John Park

TO Transitions Optical: 14 patents #11 of 143Top 8%
Overall (All Time): #335,212 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12360401 Photochromic film laminate Brad S. Veldkamp, Ramaiahgari Reddy, Anil Kumar, Brian Smyth 2025-07-15
12097521 Apparatus and method for precision coating of ophthalmic lenses with photochromic coatings Elizabeth A. Zezinka, Cathy A. Taylor, Michael Frank Haley, Brian Smyth, Anil Kumar +1 more 2024-09-24
12076951 Method of making optical articles having gradient light influencing properties Delwin S. Jackson, Anil Kumar, John S. Ligas, Philip Miller, Brian Smyth 2024-09-03
12055741 Optical articles and method of preparing the same Anil Kumar, Brian Smyth, Delwin S. Jackson, Henry Nguyen, John S. Ligas +1 more 2024-08-06
11714220 Optical article with gradient light influencing properties and method of making the same Philip Miller, Delwin S. Jackson, Anil Kumar, John S. Ligas, Brian Smyth 2023-08-01
11673355 Method of manufacture of a lens with gradient properties using imbibition technology Anil Kumar, Brian Smyth 2023-06-13
11609442 System and method for customization of a photochromic article Anil Kumar, Brian Smyth 2023-03-21
11446697 Method for imparting an optical element with a light influencing property in a gradient pattern Anil Kumar, Brian Smyth 2022-09-20
11256014 Optical articles and method of preparing the same Anil Kumar, Brian Smyth, Delwin S. Jackson, Henry Nguyen, John S. Ligas +1 more 2022-02-22
11199653 Optical article with gradient light influencing properties and method of making the same Philip Miller, Delwin S. Jackson, Anil Kumar, John S. Ligas, Brian Smyth 2021-12-14
10619018 Oriented polymeric sheets exhibiting dichroism and articles containing the same Anil Kumar, Peter C. Foller, Declan Devine, C.W.M. Bastiaansen, J.P. Teunissen +2 more 2020-04-14
9304330 Experiential optical device Kevin J. Stewart, Anil Kumar 2016-04-05
9096014 Oriented polymeric sheets exhibiting dichroism and articles containing the same Anil Kumar, Peter C. Foller, Declan Devine, Cornelis Wilhelmus Maria Bastiaansen, Jean-Pierre Teunissen +2 more 2015-08-04
8649081 Photochromic article having two at least partially crossed photochromic-dichroic layers Rachael L. DeMeio, Anil Kumar, Truman F. Wilt, Peter C. Foller, Jiping Shao 2014-02-11