SJ

Shizhong Ji

D( Danfoss (Tianjin): 5 patents #3 of 86Top 4%
Overall (All Time): #915,710 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12368333 Rotor, interior permanent magnet motor, and compressor Wanzhen Liu, Yan Lin, Guangqiang Liu, Zhenyu Wang, Meng Wang +1 more 2025-07-22
12184216 Parameter control system and motor including the parameter control system Li Yao, Yingke Sun, Qingyue Meng 2024-12-31
11955915 Variable-frequency compressor with adaptive heating power control and method for operating the same Wanzhen Liu, Yingke Sun, Li Yao 2024-04-09
11699969 Compressor and method for controlling the compressor Li Yao, Wanzhen Liu 2023-07-11
11133760 Method for controlling compressor braking, frequency converter and variable speed compressor Li Yao, Yingke Sun, Qingyue Meng 2021-09-28