Assignee
LIU YONGFENG
CN4 patents
Top patents by PatentIndex Score
US9727061B2Aug 8, 2017
Method and apparatus for controlling a furnace pressure of a continuous annealing furnace
LIU YONGFENG2 citations64
US9323908B2Apr 26, 2016
Authentication method and electronic device
LIU YONGFENG0 citations43
US9330265B2May 3, 2016
Method for component access control and electronic device
LIU YONGFENG0 citations38
US9383745B2Jul 5, 2016
Method and device for controlling furnace temperature of burning heating furnace
LIU YONGFENG0 citations33