Assignee

LI YOUQING

CN·2 granted patents·1 citations·filing 2008–2010

Technology mixB01D1 C02F1 H04M1

Top patents by PatentIndex Score

2 records

0151US8947870B2Sliding and rotating apparatus and device having sameLI YOUQING·Filed 2008·Granted Feb 3, 2015·1 cites·8 claims
0231US9636636B2Combination unit and combination method of multiple membrane shellsLI YOUQING·Filed 2010·Granted May 2, 2017·0 cites·10 claims

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