Inventor
ZHANG WEI-JUN
US16 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG WEI-JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIP MORRIS USA INC
7 patentsUS7934510B2May 3, 2011
Cigarette wrapper with nanoparticle spinel ferrite catalyst and methods of making same
PHILIP MORRIS USA INC7 citations84
US8905042B2Dec 9, 2014
Cigarettes and cigarette filters including activated carbon for removing nitric oxide
PHILIP MORRIS USA INC5 citations82
US11259563B2Mar 1, 2022
Cigarettes and cigarette filters including activated carbon for removing nitric oxide
PHILIP MORRIS USA INC0 citations61
US7568485B2Aug 4, 2009
System for dispersing powder materials in a cigarette rod
PHILIP MORRIS USA INC1 citations51
US7028694B2Apr 18, 2006
Method for dispersing powder materials in a cigarette rod
PHILIP MORRIS USA INC1 citations51
US10182595B2Jan 22, 2019
Cigarettes and cigarette filters including activated carbon for removing nitric oxide
PHILIP MORRIS USA INC0 citations50
US9656033B2May 23, 2017
Hydrosol based flavor delivery device
PHILIP MORRIS USA INC0 citations46