Assignee

LI HUIFENG

CN·2 granted patents·28 citations·filing 2016–2017

Technology mixB21B1

Top patents by PatentIndex Score

2 records

0182USD856671SWallet combined with phone caseLI HUIFENG·Filed 2017·Granted Aug 20, 2019·28 cites·1 claims
0246US10189062B2Compensation method for asymmetric plate profile of plate/strip rolling millLI HUIFENG·Filed 2016·Granted Jan 29, 2019·0 cites·4 claims

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