Assignee
CHENG YISUN
US3 patents
Top patents by PatentIndex Score
US8404202B2Mar 26, 2013
Urea-resistant catalytic units and methods of using the same
CHENG YISUN4 citations60
US8062601B2Nov 22, 2011
Emission SCR NOX aftertreatment system having reduced SO3 generation and improved durability
CHENG YISUN4 citations60
US8207084B2Jun 26, 2012
Urea-resistant catalytic units and methods of using the same
CHENG YISUN1 citations50