P

Inventor

NAGATSUKA IKUTAROH

JP32 patents
⚠️ This page may combine multiple inventors who share the name “NAGATSUKA IKUTAROH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI XEROX CO LTD

30 patents
US5155000AOct 13, 1992

Toner composition containing TiO2 particles

FUJI XEROX CO LTD24 citations93
US7920112B2Apr 5, 2011

Electronic paper system, image processing apparatus for electronic paper system storage medium storing image processing program, and image writing method using image processing apparatus

FUJI XEROX CO LTD20 citations92
US5752141AMay 12, 1998

Rotating type developing apparatus

FUJI XEROX CO LTD36 citations91
US6908036B2Jun 21, 2005

Display and record medium and information writer

FUJI XEROX CO LTD19 citations84
US5439772AAug 8, 1995

Magnetic toner and process for producing the same

FUJI XEROX CO LTD14 citations74
US5110703AMay 5, 1992

Carrier for developer

FUJI XEROX CO LTD11 citations74
US4965160AOct 23, 1990

Electrophotographic developer carrier particles coated with binder resin

FUJI XEROX CO LTD7 citations74
US4868083ASep 19, 1989

Developer carrier and process for producing the same

FUJI XEROX CO LTD9 citations74
US4861694AAug 29, 1989

Process for producing carriers for developer

FUJI XEROX CO LTD8 citations74
US4859558AAug 22, 1989

Composition with fatty acid bisamide powder developer

FUJI XEROX CO LTD7 citations74
US4791041ADec 13, 1988

Magnetic carrier particles for electrophotographic developer

FUJI XEROX CO LTD13 citations74
US5629120AMay 13, 1997

Electrostatic image developing carrier and electrostatic image developer

FUJI XEROX CO LTD11 citations73
US5178984AJan 12, 1993

Electrophotographic toner

FUJI XEROX CO LTD12 citations73
US5176979AJan 5, 1993

Electrophotographic toner having a surface treated silica particle

FUJI XEROX CO LTD13 citations73
US5106715AApr 21, 1992

Toner composition with polyethylene and inorganic external additive

FUJI XEROX CO LTD17 citations73
US4929528AMay 29, 1990

Coated carrier for developer

FUJI XEROX CO LTD11 citations72
US4902597AFeb 20, 1990

Carrier for electrophotographic developer

FUJI XEROX CO LTD9 citations72
US7576760B2Aug 18, 2009

Multi-level optical writer

FUJI XEROX CO LTD2 citations63
US7455216B2Nov 25, 2008

Printed-matter issuing managing system, printed-matter verifying device and contents managing device

FUJI XEROX CO LTD5 citations63
US4912004AMar 27, 1990

Carrier for developer

FUJI XEROX CO LTD4 citations63
US4871639AOct 3, 1989

Carrier for electrophotographic developer

FUJI XEROX CO LTD4 citations63
US7578429B2Aug 25, 2009

System for writing information and method of writing information

FUJI XEROX CO LTD4 citations62
US7533104B2May 12, 2009

Information management system and information management method

FUJI XEROX CO LTD3 citations62
US7225403B2May 29, 2007

Display system with a display having a memory characteristic and a display having no memory characteristic, display method, and display program

FUJI XEROX CO LTD3 citations62
US7219973B2May 22, 2007

Image-forming device and method

FUJI XEROX CO LTD2 citations62
US5013626AMay 7, 1991

Carrier of a magnetic powder dispersed type

FUJI XEROX CO LTD4 citations62
US5059504AOct 22, 1991

Carrier for developer

FUJI XEROX CO LTD3 citations61
US7924238B2Apr 12, 2011

Image forming apparatus with members that bring a light emitting device in proximity to a recording medium

FUJI XEROX CO LTD1 citations52
US7857203B2Dec 28, 2010

System for writing information and method of writing information

FUJI XEROX CO LTD0 citations52
US5963765AOct 5, 1999

Method and device for developing an electrostatic latent image based on toner amount and image formation system using the developing device

FUJI XEROX CO LTD0 citations48

OMRON TATEISI ELECTRONICS CO

1 patent

HOTTA HIROYUKI

1 patent