Inventor · disambiguated record
Ningsheng Liu
Also filed as: LIU NINGSHENG
6 granted patents·20 citations·filing 2008–2012
76Inventor score
Top patents by PatentIndex Score
6 records- 0184US8311265B2Embedding and detecting hidden informationWANG DONGLIN·Filed 2008·Granted Nov 13, 2012·12 cites·9 claims
- 0267US8386793B2Method and apparatus for implementing electronic sealSURSEN CORP·Filed 2009·Granted Feb 26, 2013·4 cites·19 claims
- 0356US8386943B2Method for query based on layout informationSURSEN CORP·Filed 2009·Granted Feb 26, 2013·2 cites·14 claims
- 0454US8732216B2Docbase management system and method for extending docbase management system and functionsGUO XU·Filed 2009·Granted May 20, 2014·2 cites·16 claims
- 0548US8538068B2Embedding and detecting hidden informationWANG DONGLIN·Filed 2012·Granted Sep 17, 2013·0 cites·12 claims
- 0643US8423521B2Method and apparatus for storing document data in docbase management systemWANG DONGLIN·Filed 2010·Granted Apr 16, 2013·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →