Inventor · Ontario, NY, US

John A. Creatura

36Patents
13h-index
32Co-inventors
81Inventor score

Filing activity: Aug 11, 1977 → Jan 10, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5236629A Conductive composite particles and processes for the preparation thereof Chemistry; Metallurgy 489 Expired
US4937166A Polymer coated carrier particles for electrophotographic developers Emerging Cross-Sectional Technologies 341 Expired
US4935326A Electrophotographic carrier particles coated with polymer mixture Emerging Cross-Sectional Technologies 317 Expired
US5330874A Dry carrier coating and processes Physics 104 Expired
US5998076A Carrier Physics 31 Expired
US4828956A Processes for maintaining the triboelectric stability of electrophotographic developers Emerging Cross-Sectional Technologies 19 Expired
US5102769A Solution coated carrier particles Physics 17 Expired
US5883176A Conductive particles containing carbon black and processes for the preparation thereof Electricity 16 Expired
US5002846A Developer compositions with coated carrier particles Physics 16 Expired
US6355194B1 Carrier pelletizing processes Performing Operations; Transporting 16 Expired
US5015550A Electrophotographic coated carrier particles and methods thereof Emerging Cross-Sectional Technologies 15 Expired
US5424160A Conductive carrier coatings and processes for the perfection thereof Emerging Cross-Sectional Technologies 13 Expired
US5567562A Coated carrier particles and processes thereof Physics 13 Expired
US5700615A Coated carrier particles Physics 10 Expired
US5484681A Conductive composite particles and processes for the preparation thereof Physics 9 Expired
US5162187A Developer compositions with coated carrier particles Emerging Cross-Sectional Technologies 7 Expired
US6004717A Carrier coating processes Physics 7 Expired
US6528225B1 Carrier Physics 7 Expired
US5916722A Toner compositions Physics 6 Expired
US5487847A Process for the preparation of conductive polymeric particles with linear and crosslinked portions Physics 6 Expired
US4126458A Inorganic fluoride reversal carrier coatings Emerging Cross-Sectional Technologies 6 Expired
US5518855A Coated carrier particles and processes thereof Physics 6 Expired
US5575954A Process for preparing conductive polymeric particles with linear and crosslinked portions Physics 5 Expired
US4425383A Process for oxidation of carrier particles Physics 5 Expired
US5213936A Imaging with developer compositions with coated carrier particles Physics 5 Expired

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