JY

Ji Guang Yu

📍 Tianjing, CN: #4 of 7 inventorsTop 60%
Overall (All Time): #3,558,569 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6455615 Flexible polymer modified cement-based waterproofing materials and their making process Dong Xia, Lei Zhu, Yu Guo, Peng Chen 2002-09-24