Inventor
KIM BEON-KYU
US13 patents
⚠️ This page may combine multiple inventors who share the name “KIM BEON-KYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHOPRA ANU
4 patentsUS8741188B2Jun 3, 2014
Ophthalmic devices comprising photochromic materials having extended pi-conjugated systems
CHOPRA ANU60 citations97
US8158037B2Apr 17, 2012
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same
CHOPRA ANU64 citations97
US8388872B2Mar 5, 2013
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same
CHOPRA ANU9 citations83
US8147725B2Apr 3, 2012
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same
CHOPRA ANU10 citations83
JOHNSON & JOHNSON VISION CARE
2 patentsUS9465234B2Oct 11, 2016
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same
JOHNSON & JOHNSON VISION CARE56 citations97
US9097916B2Aug 4, 2015
Photochromic materials having extended pi-conjugated systems and compositions and articles including the same
JOHNSON & JOHNSON VISION CARE56 citations97