JT

John Michael Tamkin

WT Wavefront Technology: 11 patents #4 of 11Top 40%
AD Amo Development: 8 patents #36 of 167Top 25%
ES Etec Systems: 2 patents #17 of 61Top 30%
MC Maquet Cardiovascular: 1 patents #94 of 132Top 75%
YM Younger Mfg.: 1 patents #12 of 20Top 60%
Overall (All Time): #141,233 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
12397576 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips, Phillip Christopher Harvey 2025-08-26
12269288 Optical switch devices Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips 2025-04-08
12253691 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Christopher Chapman Rich, Roger W. Phillips, Joel Mikael Petersen 2025-03-18
12223794 Optical switch devices Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips 2025-02-11
11865046 Robust laser cutting methods for ophthalmic surgery Hong Fu 2024-01-09
11861966 Optical switch devices Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips 2024-01-02
11618275 Optical switch devices Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips 2023-04-04
11590790 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips, Phillip Christopher Harvey 2023-02-28
11399981 Robust laser cutting methods for ophthalmic surgery Hong Fu 2022-08-02
11221448 Animated optical security feature Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips 2022-01-11
11113919 Optical switch devices Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips 2021-09-07
11076990 System and method for ophthalmic laser surgery employing eye tracking without eye docking Hon M. Lee, Peter Patrick De Guzman, Victor Kardos, Hong Fu, Robert G. Heitel +2 more 2021-08-03
10850550 Optical switch devices Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips 2020-12-01
10390996 Ophthalmic range finding Zsolt Bor 2019-08-27
10376415 Robust laser cutting methods for ophthalmic surgery Hong Fu 2019-08-13
10252563 Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products Christopher Chapman Rich, Joel Mikael Petersen, Roger W. Phillips, Phillip Christopher Harvey 2019-04-09
9877649 Photorefraction method and product Peter Patrick De Guzman 2018-01-30
9861527 Robust laser cutting methods for ophthalmic surgery Hong Fu 2018-01-09
9798150 System for distributing auto-stereoscopic images Sidney Kassouf 2017-10-24
9603519 Ophthalmic range finding Zsolt Bor 2017-03-28
9521949 Ophthalmic range finding Zsolt Bor, Peter Patrick De Guzman, Mikhail Levin, Anthony W. Dennison, Michael Campos +1 more 2016-12-20
8570356 Optical system for direct imaging of light markable material John M. Rodgers, Matthew Scott Howarth, Richard H. Evans, Richard Hirst 2013-10-29
8414480 Methods and devices for reducing reflection-illuminated artifacts Amar Kendale, Ethan Post 2013-04-09
7688431 Dispersion demonstrator for eyewear lenses Thomas Balch, Nancy L. S. Yamasaki, Jotinderpal Sidhu 2010-03-30
6107622 Chevron correction and autofocus optics for laser scanner Shi-Kay Yao 2000-08-22