Inventor

ZHUANG SHUZHONG

US66 patents

⚠️ This page may combine multiple inventors who share the name “ZHUANG SHUZHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALTRIA CLIENT SERVICES LLC

28 patents

US10244786B2Apr 2, 2019

Tobacco lozenge

ALTRIA CLIENT SERVICES LLC47 citations98

US9521864B2Dec 20, 2016

Methods and systems for incorporating nicotine into oral products

ALTRIA CLIENT SERVICES LLC42 citations98

US9351936B2May 31, 2016

Nicotine lozenge

ALTRIA CLIENT SERVICES LLC32 citations98

US10349672B2Jul 16, 2019

Methods and systems for incorporating nicotine into oral products

ALTRIA CLIENT SERVICES LLC18 citations94

US9999243B2Jun 19, 2018

Exhausted tobacco lozenge

ALTRIA CLIENT SERVICES LLC44 citations94

US9854831B2Jan 2, 2018

Oral product

ALTRIA CLIENT SERVICES LLC20 citations94

US10105320B2Oct 23, 2018

Soluble fiber lozenge

ALTRIA CLIENT SERVICES LLC13 citations93

US10702516B2Jul 7, 2020

Nicotine lozenge

ALTRIA CLIENT SERVICES LLC7 citations84

US9943511B2Apr 17, 2018

Nicotine lozenge

ALTRIA CLIENT SERVICES LLC7 citations84

US9872516B2Jan 23, 2018

Oral product

ALTRIA CLIENT SERVICES LLC5 citations84

US11517566B2Dec 6, 2022

Oral product

ALTRIA CLIENT SERVICES LLC2 citations73

US11116758B2Sep 14, 2021

Nicotine lozenge

ALTRIA CLIENT SERVICES LLC2 citations73

US11076631B2Aug 3, 2021

Methods and systems for incorporating nicotine into oral products

ALTRIA CLIENT SERVICES LLC2 citations73

US10925309B2Feb 23, 2021

Tobacco lozenge

ALTRIA CLIENT SERVICES LLC2 citations73

US10780085B2Sep 22, 2020

Oral product

ALTRIA CLIENT SERVICES LLC3 citations73

US10183016B2Jan 22, 2019

Oral product

ALTRIA CLIENT SERVICES LLC1 citations73

US12357016B2Jul 15, 2025

Tobacco lozenge

ALTRIA CLIENT SERVICES LLC0 citations63

US12109313B2Oct 8, 2024

Soluble fiber lozenge

ALTRIA CLIENT SERVICES LLC0 citations63

US12083110B2Sep 10, 2024

Nicotine lozenge

ALTRIA CLIENT SERVICES LLC0 citations63

US11944115B2Apr 2, 2024

Methods and systems for incorporating nicotine into oral products

ALTRIA CLIENT SERVICES LLC0 citations63

US11849753B2Dec 26, 2023

Tobacco lozenge

ALTRIA CLIENT SERVICES LLC0 citations63

US11771127B2Oct 3, 2023

Chewable dissolvable nicotine tablet

ALTRIA CLIENT SERVICES LLC1 citations63

US11723904B2Aug 15, 2023

Nicotine lozenge

ALTRIA CLIENT SERVICES LLC0 citations63

US11554099B2Jan 17, 2023

Soluble fiber lozenge

ALTRIA CLIENT SERVICES LLC0 citations63

US12439950B2Oct 14, 2025

Methods and systems for incorporating nicotine into oral products

ALTRIA CLIENT SERVICES LLC0 citations62

US12167743B2Dec 17, 2024

Oral product

ALTRIA CLIENT SERVICES LLC0 citations62

US12133848B2Nov 5, 2024

Oral product

ALTRIA CLIENT SERVICES LLC0 citations62

US11369129B2Jun 28, 2022

Oral product

ALTRIA CLIENT SERVICES LLC0 citations62

PHILIP MORRIS USA INC

12 patents

US6814786B1Nov 9, 2004

Filters including segmented monolithic sorbent for gas-phase filtration

PHILIP MORRIS USA INC104 citations97

US7370657B2May 13, 2008

Activated carbon-containing sorbent

PHILIP MORRIS USA INC45 citations92

US8381738B2Feb 26, 2013

Composite materials and their use in smoking articles

PHILIP MORRIS USA INC7 citations84

US7784471B2Aug 31, 2010

Cigarette filter with beaded carbon

PHILIP MORRIS USA INC8 citations84

US7784470B2Aug 31, 2010

Cigarette filter with beaded carbon

PHILIP MORRIS USA INC11 citations83

US7552735B2Jun 30, 2009

Activated carbon fiber cigarette filter

PHILIP MORRIS USA INC9 citations80

US8746254B2Jun 10, 2014

Composite materials and their use in smoking articles

PHILIP MORRIS USA INC4 citations73

US12295402B2May 13, 2025

Controlled release mentholated tobacco beads

PHILIP MORRIS USA INC0 citations63

US11771128B2Oct 3, 2023

Immobilized diluents for smoking articles

PHILIP MORRIS USA INC0 citations63

US11723395B2Aug 15, 2023

Controlled release mentholated tobacco beads

PHILIP MORRIS USA INC0 citations63

US9661875B2May 30, 2017

Methods and compositions for producing hydrogel capsules coated for low permeability and physical integrity

PHILIP MORRIS USA INC1 citations63

US9167848B2Oct 27, 2015

Method and compositions for producing hydrogel capsules coated for low permeability and physical integrity

PHILIP MORRIS USA INC2 citations63

ZHUANG SHUZHONG

5 patents

US8863755B2Oct 21, 2014

Controlled flavor release tobacco pouch products and methods of making

ZHUANG SHUZHONG57 citations93

US8235056B2Aug 7, 2012

Smoking article with concentric hollow core in tobacco rod and capsule containing flavorant and aerosol forming agents in the filter system

ZHUANG SHUZHONG32 citations91

US8960199B2Feb 24, 2015

Smoking article with tobacco beads

ZHUANG SHUZHONG49 citations90

US8573230B2Nov 5, 2013

Smoking article with coaxial tobacco rod

ZHUANG SHUZHONG8 citations83

US8393333B2Mar 12, 2013

Immobilized diluents for smoking articles

ZHUANG SHUZHONG3 citations63

KARLES GEORGIOS D

2 patents

US8663671B2Mar 4, 2014

Methods and compositions for producing hydrogel capsules coated for low permeability and physical integrity

KARLES GEORGIOS D6 citations84

US8227376B2Jul 24, 2012

Carbon beads with multimodal pore size distribution

KARLES GEORGIOS D15 citations81

ALTRIA CLIENT SERVICES INC

1 patent

US9185931B2Nov 17, 2015

Oral product

ALTRIA CLIENT SERVICES INC52 citations98

KARLES GEORGIOS

1 patent

US8402978B2Mar 26, 2013

Coated impregnated porous filter plug

KARLES GEORGIOS37 citations93

LIU HONGWEI

1 patent

US9259030B2Feb 16, 2016

Fabrication of core/shell capsules of different geometries and treatment thereafter

LIU HONGWEI6 citations72

Showing the top 50 of 66 patents by PatentIndex Score.