HL

Hongfa Li

📍 Liaocheng, CN: #2 of 5 inventorsTop 40%
Overall (2018): #143,447 of 503,207Top 30%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10059632 Humic acid composition and application thereof Mingxin Song, Liangjin Guo, Yanjin Bi 2018-08-28
10053816 Method for continuously cooking grass raw materials and device Mingxin Song, Songtao Chen, Qingtao Wang, Jixing Chu, Yingwen Dong 2018-08-21