JY

Ji Guang Yu

📍 Tianjing, CN: #1 of 2 inventorsTop 50%
Overall (2002): #191,020 of 266,432Top 75%
1
Patents 2002

Issued Patents 2002

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