YK

Yung-Chien Kao

EU Everlight Usa: 2 patents #31 of 103Top 35%
Overall (All Time): #2,252,815 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5990290 Blue reactive dyestuffs Duncan Adrian Sidney Phillips, John A. Taylor 1999-11-23
5952476 Red reactive dyestuffs Duncan Adrian Sidney Phillips 1999-09-14