SJ

Shizhong Ji

D( Danfoss (Tianjin): 1 patents #1 of 14Top 8%
Overall (2021): #263,546 of 548,734Top 50%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11133760 Method for controlling compressor braking, frequency converter and variable speed compressor Li Yao, Yingke Sun, Qingyue Meng 2021-09-28