ZM

Zhao Ma

UN Unknown: 1 patents #344 of 3,329Top 15%
📍 Xi'an, CA: #22 of 38 inventorsTop 60%
Overall (2021): #189,188 of 548,734Top 35%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11118845 Two-layer variable-diameter packed bed heat storage apparatus and heat storage ball preparation method Mingjia Li, Bo-ra Jin, Zhanbin Liu, Fan Yuan, Yang Xu +1 more 2021-09-14