Inventor
TSUBUKO KAZUO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “TSUBUKO KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
34 patentsUS5952048ASep 14, 1999
Ink composition and recording method using the same
RICOH KK57 citations95
US6447973B1Sep 10, 2002
Liquid developer for developing electrostatic image and image forming method
RICOH KK70 citations93
US6620569B2Sep 16, 2003
Liquid recording material
RICOH KK17 citations92
US6020103AFeb 1, 2000
Liquid developer, method of producing the liquid developer and image formation using the same
RICOH KK29 citations92
US5759733AJun 2, 1998
Liquid developer for electrostatic electrophotography
RICOH KK22 citations92
US5189102AFeb 23, 1993
Method for producing a vinyl resin using a silicon oil solvent
RICOH KK47 citations92
US5061587AOct 29, 1991
Toner for electrophotography including fluorine contained graft copolymer
RICOH KK44 citations92
US5851717ADec 22, 1998
Developer for use in electrophotography, and image formation method using the same
RICOH KK35 citations91
US4855207AAug 8, 1989
Developer for electrophotography
RICOH KK25 citations91
US5026621AJun 25, 1991
Toner for electrophotography
RICOH KK50 citations90
US4764447AAug 16, 1988
Non-aqueous type resin dispersion and electrophotographic developer containing said resin
RICOH KK26 citations90
US6692881B2Feb 17, 2004
Recording liquid and image forming method using the recording liquid
RICOH KK18 citations83
US4925763AMay 15, 1990
Developer for electrophotography containing ionomer resin
RICOH KK19 citations82
US4081391AMar 28, 1978
Liquid developer for use in electrophotography
RICOH KK26 citations82
US7670742B2Mar 2, 2010
Recording material, toner, liquid developer and image forming method using the same
RICOH KK9 citations81
US4797341AJan 10, 1989
Liquid developer for electrophotography
RICOH KK9 citations74
US4264699AApr 28, 1981
Liquid developer for use in electrophotography
RICOH KK11 citations74
US4181620AJan 1, 1980
Liquid developer for use in electrophotography
RICOH KK19 citations74
US3997488ADec 14, 1976
Process for the preparation of a non-aqueous dispersion of thermoplastic resin
RICOH KK19 citations74
US5169739ADec 8, 1992
Liquid developer for image fixing method using heat application rollers
RICOH KK10 citations73
US4634651AJan 6, 1987
Non-aqueous type resin and electrophotographic developer containing the same
RICOH KK11 citations73
US4595646AJun 17, 1986
Liquid developer for electrophotography
RICOH KK12 citations73
US4388395AJun 14, 1983
Liquid developer for use in electrophotography
RICOH KK10 citations73
US4250241AFeb 10, 1981
Liquid developer for use in electrophotography
RICOH KK15 citations73
US4060493ANov 29, 1977
Liquid electrostatic developer
RICOH KK12 citations73
US5085965AFeb 4, 1992
Negative toner for developing latent electrostatic images
RICOH KK17 citations72
US4690881ASep 1, 1987
Liquid developer for electrophotography
RICOH KK8 citations72
US4360580ANov 23, 1982
Liquid developer for use in electrostatic photography
RICOH KK19 citations72
US4087393AMay 2, 1978
Non-aqueous resin dispersion and method of manufacturing thereof
RICOH KK12 citations72
US4957842ASep 18, 1990
Liquid developer for electrostatic latent images using flushed pigments
RICOH KK8 citations69
US3992342ANov 16, 1976
Non-aqueous dispersion and process of preparing same
RICOH KK8 citations67
US6522852B1Feb 18, 2003
Image forming process using wet developing method
RICOH KK8 citations66
US4104183AAug 1, 1978
Liquid developer for use in electrostatic photography comprising natural resins and natural resin-modified thermosetting resins combined with polymers
RICOH KK10 citations66
US7122287B2Oct 17, 2006
Electrophotographic liquid developer, image forming method and apparatus using the electrophotographic liquid developer
RICOH KK2 citations62