Inventor · Lausanne, CH

Ping Li

34Patents
10h-index
41Co-inventors
75Inventor score

Filing activity: Nov 30, 1982 → Mar 8, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7011096B2 Oxidant/catalyst nanoparticles to reduce carbon monoxide in the mainstream smoke of a cigarette Human Necessities 136 Expired
US7017585B2 Oxidant/catalyst nanoparticles to reduce tobacco smoke constituents such as carbon monoxide Human Necessities 116 Expired
US4515586A Powder syringe mixing system Human Necessities 69 Expired
US6782892B2 Manganese oxide mixtures in nanoparticle form to lower the amount of carbon monoxide and/or nitric oxide in the mainstream smoke of a cigarette Human Necessities 41 Expired
US7152609B2 Catalyst to reduce carbon monoxide and nitric oxide from the mainstream smoke of a cigarette Human Necessities 36 Expired
US6769437B2 Use of oxyhydroxide compounds for reducing carbon monoxide in the mainstream smoke of a cigarette Human Necessities 22 Expired
US7228862B2 Use of oxyhydroxide compounds for reducing carbon monoxide in the mainstream smoke of a cigarette Human Necessities 18 Expired
US7168431B2 Partially reduced nanoparticle additives to lower the amount of carbon monoxide and/or nitric oxide in the mainstream smoke of a cigarette Human Necessities 17 Expired
US9119421B2 Cigarette wrapper with printed catalyst Textiles; Paper 12 Active
US8707967B2 Banded papers, smoking articles and methods Textiles; Paper 11 Active
US7934510B2 Cigarette wrapper with nanoparticle spinel ferrite catalyst and methods of making same Performing Operations; Transporting 5 Active
US8701681B2 Use of oxyhydroxide compounds in cigarette paper for reducing carbon monoxide in the mainstream smoke of a cigarette Human Necessities 2 Active
US10542773B2 Hydrophobic paper Human Necessities 2 Active
US8833377B2 Banded papers, smoking articles and methods Textiles; Paper 1 Active
US8844540B2 Banded papers, smoking articles and methods Textiles; Paper 1 Active
US8646463B2 Gravure-printed, banded cigarette paper Human Necessities 1 Active
US8905043B2 Banded papers, smoking articles and methods Textiles; Paper 1 Active
US8925556B2 Banded papers, smoking articles and methods Textiles; Paper 1 Active
US10485265B2 Banded papers, smoking articles and methods Textiles; Paper 1 Active
US8939156B2 Banded papers, smoking articles and methods Textiles; Paper 1 Active
US8733370B2 Banded papers, smoking articles and methods Textiles; Paper 1 Active
US9161570B2 Banded papers, smoking articles and methods Textiles; Paper 1 Active
US7878211B2 Tobacco powder supported catalyst particles Human Necessities 1 Active
US11547140B2 Banded papers, smoking articles and methods Textiles; Paper 0 Active
US10575552B2 Smoking article having a particle containing wrapper Human Necessities 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.