Inventor
LI YANNIAN
US7 patents
⚠️ This page may combine multiple inventors who share the name “LI YANNIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRANSITIONS OPTICAL LTD
6 patentsUS12570787B2Mar 10, 2026
Curable compositions and articles prepared therefrom
TRANSITIONS OPTICAL LTD0 citations59
US12504568B2Dec 23, 2025
Photochromic-dichroic articles
TRANSITIONS OPTICAL LTD0 citations59
US12234402B2Feb 25, 2025
Mesogen compounds
TRANSITIONS OPTICAL LTD0 citations56
US11773326B2Oct 3, 2023
Mesogen compounds
TRANSITIONS OPTICAL LTD0 citations56
US12492343B2Dec 9, 2025
Mesogen compounds
TRANSITIONS OPTICAL LTD0 citations47
US11781070B2Oct 10, 2023
Mesogen compounds
TRANSITIONS OPTICAL LTD0 citations46