Assignee
LIU YONGFENG
CN·4 granted patents·2 citations·filing 2011–2011
Top patents by PatentIndex Score
4 records- 0151US9727061B2Method and apparatus for controlling a furnace pressure of a continuous annealing furnaceLIU YONGFENG·Filed 2011·Granted Aug 8, 2017·2 cites·3 claims
- 0240US9330265B2Method for component access control and electronic deviceLIU YONGFENG·Filed 2011·Granted May 3, 2016·0 cites·17 claims
- 0338US9323908B2Authentication method and electronic deviceLIU YONGFENG·Filed 2011·Granted Apr 26, 2016·0 cites·13 claims
- 0436US9383745B2Method and device for controlling furnace temperature of burning heating furnaceLIU YONGFENG·Filed 2011·Granted Jul 5, 2016·0 cites·10 claims
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