Inventor
TAKAGI SEIICHI
JP53 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI SEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
25 patentsUS7770738B2Aug 10, 2010
Classifying device and method of classification
FUJI XEROX CO LTD22 citations92
US6037090AMar 14, 2000
Toner for electrophotography and method of preparation thereof
FUJI XEROX CO LTD39 citations92
US5456990AOct 10, 1995
Magnetic toner
FUJI XEROX CO LTD23 citations91
US6165667ADec 26, 2000
Image-forming toner, preparation method thereof, three-dimensional image-forming method and image-forming apparatus
FUJI XEROX CO LTD31 citations90
US7802686B2Sep 28, 2010
Method and device for classifying fine particles
FUJI XEROX CO LTD28 citations89
US7941073B2May 10, 2011
Toner cartridge
FUJI XEROX CO LTD13 citations84
US7683117B2Mar 23, 2010
Resin composition, resin mold and method for producing the same
FUJI XEROX CO LTD9 citations84
US7182552B2Feb 27, 2007
Method for delivering a fine particle dispersion, and device for delivering a fine particle dispersion
FUJI XEROX CO LTD12 citations84
US7328807B2Feb 12, 2008
Method and device for classifying fine particles
FUJI XEROX CO LTD13 citations83
US7182553B2Feb 27, 2007
Method for delivering fine particle dispersion, and device for delivering fine particle dispersion
FUJI XEROX CO LTD12 citations83
US7732725B2Jun 8, 2010
Method and apparatus of classifying fine particles
FUJI XEROX CO LTD10 citations79
US6921618B2Jul 26, 2005
Photoconductive organic pigment, photoconductive organic pigment dispersion liquid, electrophotographic photoreceptor and electrophotographic device using the same
FUJI XEROX CO LTD11 citations74
US5439772AAug 8, 1995
Magnetic toner and process for producing the same
FUJI XEROX CO LTD14 citations74
US7572375B2Aug 11, 2009
Method and device for treating fine particles
FUJI XEROX CO LTD7 citations73
US6929893B2Aug 16, 2005
Electrostatic image dry toner composition, developer for developing electrostatic latent image and image forming method
FUJI XEROX CO LTD8 citations73
US5827631AOct 27, 1998
Non-magnetic one-component developer and image forming process using the same
FUJI XEROX CO LTD8 citations73
US5340678AAug 23, 1994
Dry tower for developing electrostatic image, process for producing same, and image formation method using same
FUJI XEROX CO LTD7 citations73
US6403274B2Jun 11, 2002
Electrophotographic toner, process for preparing the same, and two-component developer
FUJI XEROX CO LTD7 citations72
US5474871ADec 12, 1995
Process for making magnetic toners
FUJI XEROX CO LTD9 citations72
US7820349B2Oct 26, 2010
Toner for electrostatic latent image development, production method thereof, and developer for electrostatic latent image development
FUJI XEROX CO LTD4 citations63
US8365922B2Feb 5, 2013
Classifying method and classifying device
FUJI XEROX CO LTD1 citations52
US8356798B2Jan 22, 2013
Method for manufacturing aggregated resin particles
FUJI XEROX CO LTD1 citations52
US7833399B2Nov 16, 2010
Concentration method of fine particle dispersion and concentration apparatus of fine particle dispersion
FUJI XEROX CO LTD1 citations52
US7767155B2Aug 3, 2010
Microreactor apparatus having integral connectors
FUJI XEROX CO LTD1 citations52
US7648033B2Jan 19, 2010
Method of producing particle-dispersed liquid
FUJI XEROX CO LTD0 citations52
CANON KK
18 patentsUS4939060AJul 3, 1990
Magnetic toner for developing electrostatic images
CANON KK55 citations96
US4702986AOct 27, 1987
Electrophotographic method uses toner of polyalkylene and non-magnetic inorganic fine powder
CANON KK44 citations93
US4966829AOct 30, 1990
Toner for developing electrostatic images, binder therefor and process for production thereof
CANON KK41 citations92
US4592990AJun 3, 1986
Process for producing toner
CANON KK35 citations92
US4609607ASep 2, 1986
Magnetic toner and process for producing the same
CANON KK22 citations82
US5126224AJun 30, 1992
Electrostatic image developing toner and process for its production, and binder resin and process for its production
CANON KK15 citations81
US5422215AJun 6, 1995
Magnetic toner
CANON KK7 citations74
US5112714AMay 12, 1992
Dry magnetic electrostatic developer
CANON KK7 citations74
US5333059AJul 26, 1994
Electrostatic imaging apparatus and facsimile apparatus employing toner with low aldehyde content
CANON KK9 citations73
US5310812AMay 10, 1994
Binder resin for a toner for developing electrostatic images, and process for production thereof
CANON KK9 citations73
US4824752AApr 25, 1989
Electrophotographic magnetic dry developer containing cerium oxide and hydrophobic silica
CANON KK13 citations73
US4543312ASep 24, 1985
Magnetic toner comprising magnetic powders having controlled size distribution
CANON KK18 citations73
US4448870AMay 15, 1984
Magnetic color toner
CANON KK14 citations73
US5219946AJun 15, 1993
Binder resin and process for producing it
CANON KK5 citations63
US5143810ASep 1, 1992
Magnetic toner for developing electrostatic image
CANON KK6 citations63
US4803142AFeb 7, 1989
Containing magnetic particles having a bulk resistivity of at most 1045 -1012 ohm.cm
CANON KK6 citations63
US5219947AJun 15, 1993
Binder resin for a toner for developing electrostatic images, and process for production thereof
CANON KK6 citations62
US5321091AJun 14, 1994
Binder resin used in a toner
CANON KK3 citations54
KOJIMA HIROSHI
2 patents(unassigned)
1 patentEASTMAN KODAK CO
1 patentHONGO KAZUYA
1 patentTAKAGI SEIICHI
1 patentFUJITSU LTD
1 patentShowing the top 50 of 53 patents by PatentIndex Score.