HY

Heping Yao

Overall (2023): #426,044 of 537,848Top 80%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11773302 Soft solvent-free flame-retardant polyurethane synthetic leather and preparation method therefor Yuanzhou Song, Yanwu Wang, Wanli Huang, Yifeng Wang, Kejian Yao +4 more 2023-10-03