Assignee
CHENG YISUN
US·3 granted patents·9 citations·filing 2009–2012
Top patents by PatentIndex Score
3 records- 0184US8404202B2Urea-resistant catalytic units and methods of using the sameCHENG YISUN·Filed 2012·Granted Mar 26, 2013·4 cites·17 claims
- 0278US8062601B2Emission SCR NOX aftertreatment system having reduced SO3 generation and improved durabilityCHENG YISUN·Filed 2010·Granted Nov 22, 2011·4 cites·20 claims
- 0366US8207084B2Urea-resistant catalytic units and methods of using the sameCHENG YISUN·Filed 2009·Granted Jun 26, 2012·1 cites·6 claims
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