FM

Fei Ma

ID International Power Devices: 1 patents #1 of 3Top 35%
📍 Beijing, MA: #4 of 8 inventorsTop 50%
Overall (1997): #153,424 of 185,788Top 85%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5636107 DC-DC converters Qun Lu, James Jin Xiong Zeng 1997-06-03