HH

Huei Ching Huang

EU Everlight Usa: 4 patents #19 of 103Top 20%
📍 Keelung, TW: #156 of 650 inventorsTop 25%
Overall (All Time): #1,266,458 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6780204 Mixtures of reactive dyes and their use Mao Cheng Hsu, Bao-Kun Lai, Ya-Chi Tseng 2004-08-24
6585782 Mixtures of reactive dyes and their use Mao Cheng Hsu, Bao-Kun Lai, Ya-Chi Tseng 2003-07-01
6407220 Reactive formazan dyestuffs Wen-Jang Chen 2002-06-18
6329514 Fiber reactive dyestuffs Keh Loong Chen, Mao Cheng Hsu, Ta-Chung Yin 2001-12-11