Inventor
ARIYAMA KENZO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “ARIYAMA KENZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
27 patentsUS4905047AFeb 27, 1990
Wet type image forming apparatus
RICOH KK55 citations96
US4985733AJan 15, 1991
Image fixing unit for use in wet-type electrophotographic copying machine
RICOH KK63 citations95
USRE34437ENov 9, 1993
Apparatus for forming multicolor electrophotographic images through wet-type developing process
RICOH KK25 citations93
US4640605AFeb 3, 1987
Apparatus for forming multicolor electrophotographic images through wet-type developing process
RICOH KK46 citations93
US5642188AJun 24, 1997
Wet-type electrophotographic image formation method
RICOH KK45 citations92
US5463453AOct 31, 1995
Wet-type image formation apparatus
RICOH KK33 citations92
US5384225AJan 24, 1995
Liquid developer for latent electrostatic images
RICOH KK34 citations92
US5359398AOct 25, 1994
Electrophotographic copier with a developing device using a liquid developer
RICOH KK52 citations92
US4860050AAug 22, 1989
Developing replenisher material for use in image forming device
RICOH KK33 citations92
US5021834AJun 4, 1991
Wet-type image formation apparatus
RICOH KK44 citations91
US4800839AJan 31, 1989
Developing device for electrophotographic color copier
RICOH KK50 citations89
US4417800ANov 29, 1983
Image transfer material separation apparatus for electrophotographic copying machine
RICOH KK26 citations82
US4411511AOct 25, 1983
Image transfer material separation and transportation apparatus for electrophotographic copying apparatus
RICOH KK20 citations82
US4181425AJan 1, 1980
Apparatus for cleaning photosensitive member
RICOH KK26 citations82
US5142122AAug 25, 1992
Fixing device for image forming equipment
RICOH KK9 citations74
US4474456AOct 2, 1984
Device for heat-fixing a toner image
RICOH KK14 citations74
US4214832AJul 29, 1980
Electrostatic copying machine comprising improved document scanning means
RICOH KK16 citations74
US3936045AFeb 3, 1976
Sheet stripping device for copying apparatus
RICOH KK16 citations74
US4423134ADec 27, 1983
Developing unit for electrophotography
RICOH KK17 citations73
US4059394ANov 22, 1977
Heat fixing apparatus for use in a wet electrophotographic copying machine
RICOH KK15 citations73
US4056315ANov 1, 1977
Squeeze roller retraction assembly
RICOH KK17 citations73
US4294535AOct 13, 1981
Electrostatic copying apparatus
RICOH KK10 citations71
US4454210AJun 12, 1984
Electrophotographic reproduction of a three-dimensional object
RICOH KK12 citations70
US4575215AMar 11, 1986
Electrophotographic reproduction of a three-dimensional object
RICOH KK9 citations69
US4410262AOct 18, 1983
Sheet transportation and separation apparatus
RICOH KK4 citations62
US4948691AAug 14, 1990
Image fixing method for use in wet-type electrophotographic copying machine
RICOH KK4 citations57
US4018524AApr 19, 1977
Construction for use with an electrophotographic copying machine of wet developing type
RICOH KK1 citations50
NITTO CHEMICAL INDUSTRY CO LTD
4 patentsUS3951934AApr 20, 1976
Polymerization of acrylamide in the presence of water-soluble nitrogen compounds
NITTO CHEMICAL INDUSTRY CO LTD12 citations72
US4455411AJun 19, 1984
Process for preparing acrylamide polymers
NITTO CHEMICAL INDUSTRY CO LTD10 citations69
US3996411ADec 7, 1976
Production of water-soluble polymers
NITTO CHEMICAL INDUSTRY CO LTD5 citations62
US3947518AMar 30, 1976
Process for purifying acrylamides
NITTO CHEMICAL INDUSTRY CO LTD5 citations62