Assignee
YU QINGFENG
CN·5 granted patents·159 citations·filing 2004–2021
Technology mixG06F1
Top patents by PatentIndex Score
5 records- 0198USD924980SUnicorn shaped game boardYU QINGFENG·Filed 2020·Granted Jul 13, 2021·53 cites·1 claims
- 0297USD944332SToyYU QINGFENG·Filed 2021·Granted Feb 22, 2022·36 cites·1 claims
- 0397USD924336SGame boardYU QINGFENG·Filed 2020·Granted Jul 6, 2021·45 cites·1 claims
- 0494USD948630SToyYU QINGFENG·Filed 2021·Granted Apr 12, 2022·23 cites·1 claims
- 0547US8572233B2Method and system for site path evaluation using web session clusteringYU QINGFENG·Filed 2004·Granted Oct 29, 2013·2 cites·14 claims
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