Inventor
KOCH RONALD J
US19 patents
⚠️ This page may combine multiple inventors who share the name “KOCH RONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
18 patentsUS5212037AMay 18, 1993
Toner process with metal oxides
XEROX CORP24 citations92
US5124217AJun 23, 1992
Magnetic image character recognition processes
XEROX CORP33 citations92
US4948686AAug 14, 1990
Process for forming two-color images
XEROX CORP43 citations92
US4837101AJun 6, 1989
Negatively charged colored toner compositions
XEROX CORP25 citations92
US4578338AMar 25, 1986
Development process with toner composition containing low molecular weight waxes
XEROX CORP35 citations92
US4556624ADec 3, 1985
Toner compositions with crosslinked resins and low molecular weight wax components
XEROX CORP39 citations92
US4457998AJul 3, 1984
Composition with uncrosslinked polymer contained in a crosslinked polymer network
XEROX CORP30 citations92
US6566025B1May 20, 2003
Polymeric particles as external toner additives
XEROX CORP36 citations89
US4539284ASep 3, 1985
Developer compositions with infrared absorbing additives
XEROX CORP27 citations89
US6054240AApr 25, 2000
Toner compositions and processes thereof
XEROX CORP16 citations84
US6610452B2Aug 26, 2003
Toner compositions with surface additives
XEROX CORP16 citations83
US5583629ADec 10, 1996
Color electrophotographic printing machine
XEROX CORP17 citations74
US4920023AApr 24, 1990
Stable color developer compositions and process for the preparation thereof
XEROX CORP9 citations74
US4460672AJul 17, 1984
Positively charged electrostatic toner contains low molecular weight waxy material and pyridinium halide or organic sulfonate
XEROX CORP18 citations74
US4604338AAug 5, 1986
Positively charged colored toner compositions
XEROX CORP19 citations73
US7276320B2Oct 2, 2007
Surface particle attachment process, and particles made therefrom
XEROX CORP2 citations62
US4565765AJan 21, 1986
Process of developing electrostatic latent images comprised of rotating magnets contained in stationary shell and synthetic carrier
XEROX CORP6 citations60
US4672018AJun 9, 1987
Flash fusing process with prespheroidized toner
XEROX CORP1 citations52