P

Inventor

YAMADA MASAHIDE

JP61 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA MASAHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

16 patents
US7531279B2May 12, 2009

Toner manufacturing method, toner and developer

RICOH KK22 citations92
US7504188B2Mar 17, 2009

Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same

RICOH KK33 citations92
US7459255B2Dec 2, 2008

Toner and developer, toner container, process cartridge, image-forming apparatus, and image-forming method using the same

RICOH KK31 citations92
US7449273B2Nov 11, 2008

Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the toner

RICOH KK31 citations92
US7374848B2May 20, 2008

Toner and method or preparing the toner

RICOH KK19 citations92
US7348121B2Mar 25, 2008

Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner

RICOH KK23 citations92
US7348117B2Mar 25, 2008

Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner

RICOH KK27 citations92
US7550245B2Jun 23, 2009

Toner and production method of the same, and image forming method

RICOH KK10 citations84
US7488564B2Feb 10, 2009

Toner and method for producing the same, and image-forming method using the same

RICOH KK15 citations84
US7670741B2Mar 2, 2010

Toner

RICOH KK2 citations63
US7695883B2Apr 13, 2010

Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same

RICOH KK3 citations62
US7824831B2Nov 2, 2010

Toner

RICOH KK1 citations52
US7824834B2Nov 2, 2010

Toner for developing electrostatic image, method for preparing the toner, and image forming method and apparatus using the toner

RICOH KK1 citations52
US7820350B2Oct 26, 2010

Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method

RICOH KK1 citations52
US7799498B2Sep 21, 2010

Toner used for image forming apparatus

RICOH KK1 citations52
US7666563B2Feb 23, 2010

Toner and developer using the toner

RICOH KK1 citations52

RICOH CO LTD

7 patents
US8026031B2Sep 27, 2011

Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method

RICOH CO LTD6 citations74
US8007977B2Aug 30, 2011

Toner and image forming method using the toner

RICOH CO LTD6 citations74
US8034524B2Oct 11, 2011

Toner and image forming method using the toner

RICOH CO LTD3 citations63
US7932007B2Apr 26, 2011

Toner and method for producing the same, and image-forming method using the same

RICOH CO LTD2 citations63
US9519235B2Dec 13, 2016

Toner, developer using the toner, image forming apparatus

RICOH CO LTD2 citations62
US9720339B2Aug 1, 2017

Toner, developer using the toner, image forming apparatus

RICOH CO LTD0 citations52
US7989131B2Aug 2, 2011

Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container

RICOH CO LTD1 citations52

SAMSUNG ELECTRONICS CO LTD

3 patents
US10274854B2Apr 30, 2019

Toner for developing electrostatic charge image and method for preparing the same

SAMSUNG ELECTRONICS CO LTD0 citations51
US9740125B2Aug 22, 2017

Toner for developing electrostatic charge image and method for preparing the same

SAMSUNG ELECTRONICS CO LTD1 citations51
US10168632B2Jan 1, 2019

Toner for electrostatic use

SAMSUNG ELECTRONICS CO LTD0 citations50

MITSUBA ELECTRIC MFG CO

2 patents
US4700026AOct 13, 1987

Wiper home position stop device

MITSUBA ELECTRIC MFG CO34 citations87
US4350909ASep 21, 1982

Brush lead structure for motor-immersed fuel pumps

MITSUBA ELECTRIC MFG CO22 citations82

MORIYA YOSHIHIRO

2 patents
US9141013B2Sep 22, 2015

Electrophotographic toner, developer containing the toner, and image forming apparatus

MORIYA YOSHIHIRO5 citations72
US8685604B2Apr 1, 2014

Toner, developer, and image forming apparatus

MORIYA YOSHIHIRO1 citations51

SAKASHITA SHINGO

2 patents
US9134638B2Sep 15, 2015

Toner, developer using the toner, image forming apparatus

SAKASHITA SHINGO4 citations72
US8883385B2Nov 11, 2014

Toner, development agent, and image forming apparatus using the same

SAKASHITA SHINGO1 citations51

NAKAYAMA SHINYA

2 patents
US8808955B2Aug 19, 2014

Toner and development agent, image forming apparatus, and process cartridge using the same

NAKAYAMA SHINYA3 citations62
US8951705B2Feb 10, 2015

Development agent and image forming apparatus employing same

NAKAYAMA SHINYA1 citations51

SANTO HIDEYUKI

2 patents
US9127118B2Sep 8, 2015

Resin for toner, toner using the resin, and development agent using the toner

SANTO HIDEYUKI2 citations61
US8859179B2Oct 14, 2014

Developer for electrophotography, image forming apparatus and process cartridge

SANTO HIDEYUKI0 citations50

AWAMURA JUNICHI

2 patents
US8192911B2Jun 5, 2012

Method of manufacturing toner and toner

AWAMURA JUNICHI2 citations61
US8492063B2Jul 23, 2013

Method of manufacturing toner

AWAMURA JUNICHI1 citations51

YAMAMOTO ATSUSHI

2 patents
US8822118B2Sep 2, 2014

Toner, development agent, and image forming apparatus

YAMAMOTO ATSUSHI0 citations52
US8795939B2Aug 5, 2014

Toner, and developer and image forming apparatus using the toner

YAMAMOTO ATSUSHI0 citations52

SUGIMOTO TSUYOSHI

1 patent
US8795940B2Aug 5, 2014

Toner and developer

SUGIMOTO TSUYOSHI4 citations73

NAGATA KOUSUKE

1 patent
US9400439B2Jul 26, 2016

Toner, developer, and image forming apparatus

NAGATA KOUSUKE4 citations65

YAMASHITA DAIKI

1 patent
US9012116B2Apr 21, 2015

Toner and developer

YAMASHITA DAIKI2 citations60

DENKA COMPANY LTD

1 patent
US12108676B2Oct 1, 2024

N-type material for thermoelectric conversion, method for producing same, dopant and thermoelectric conversion element

DENKA COMPANY LTD0 citations59

HOYA LENS THAILAND LTD

1 patent
US11834549B2Dec 5, 2023

Method for producing polymerizable composition

HOYA LENS THAILAND LTD0 citations51

YAMAUCHI YOSHITAKA

1 patent
US8932790B2Jan 13, 2015

Toner, developer including the toner, image forming apparatus using the toner, and block copolymer

YAMAUCHI YOSHITAKA1 citations51

INOUE RYOTA

1 patent
US8137883B2Mar 20, 2012

Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container

INOUE RYOTA0 citations51

WATANABE NAOHIRO

1 patent
US8124308B2Feb 28, 2012

Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method

WATANABE NAOHIRO1 citations51

SEKIGUCHI SATOYUKI

1 patent
US9176406B2Nov 3, 2015

Toner, development agent, image forming apparatus, and process cartridge

SEKIGUCHI SATOYUKI1 citations50

AMEMORI SUZUKA

1 patent
US8951707B2Feb 10, 2015

Toner, developer and image forming apparatus

AMEMORI SUZUKA0 citations50

Showing the top 50 of 61 patents by PatentIndex Score.