Assignee
ZHANG YANGTIAN
CN·4 granted patents·19 citations·filing 2008–2011
Top patents by PatentIndex Score
4 records- 0181US8679409B2Filter device, filter method and trace detectorZHANG YANGTIAN·Filed 2010·Granted Mar 25, 2014·7 cites·8 claims
- 0280US8646340B2Sampling method and sampling deviceZHANG YANGTIAN·Filed 2009·Granted Feb 11, 2014·10 cites·14 claims
- 0364US8141441B2Hand-held sampling device preventing deformation of sampling wipe and method of use thereofZHANG YANGTIAN·Filed 2008·Granted Mar 27, 2012·1 cites·11 claims
- 0460US8658972B2Ion mobility tubeZHANG YANGTIAN·Filed 2011·Granted Feb 25, 2014·1 cites·23 claims
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