P

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 patents
US7770738B2Aug 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 patents
US4939060AJul 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 patent

EASTMAN KODAK CO

1 patent

HONGO KAZUYA

1 patent

TAKAGI SEIICHI

1 patent

FUJITSU LTD

1 patent

Showing the top 50 of 53 patents by PatentIndex Score.