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Tomoyuki SHIMADA
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ink, method of manufacturing ink, and ink cartridge
Patent number
10,844,235
Issue date
Nov 24, 2020
Ricoh Company, Ltd.
Yuusuke Koizuka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Curable composition, curable ink, accommodating container, image fo...
Patent number
10,781,325
Issue date
Sep 22, 2020
Ricoh Company, Ltd.
Mitsunobu Morita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer, ink including copolymer, and ink-stored container
Patent number
10,370,548
Issue date
Aug 6, 2019
Ricoh Company, Ltd.
Shigeyuki Harada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink, ink container, inkjet recording device, and recorded matter
Patent number
10,280,321
Issue date
May 7, 2019
Ricoh Company, Ltd.
Akihiko Matsuyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink and method for producing same, and ink stored container, printi...
Patent number
10,273,373
Issue date
Apr 30, 2019
Ricoh Company, Ltd.
Yuusuke Koizuka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink, method of manufacturing ink, and ink cartridge
Patent number
10,233,341
Issue date
Mar 19, 2019
Ricoh Company, Ltd.
Yuusuke Koizuka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer, aqueous ink, and ink cartridge
Patent number
10,035,869
Issue date
Jul 31, 2018
Ricoh Company, Ltd.
Shigeyuki Harada
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink, recorded matter, ink container, recording device, and recordin...
Patent number
10,000,656
Issue date
Jun 19, 2018
Ricoh Company, Ltd.
Yoshiki Yanagawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink, ink stored container, inkjet recording apparatus, and recorded...
Patent number
9,988,543
Issue date
Jun 5, 2018
Ricoh Company, Ltd.
Akihiko Matsuyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer, coloring material dispersion, ink, and ink store container
Patent number
9,896,530
Issue date
Feb 20, 2018
Ricoh Company, Ltd.
Shigeyuki Harada
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer, aqueous ink, and ink cartridge
Patent number
9,850,335
Issue date
Dec 26, 2017
Ricoh Company, Ltd.
Shigeyuki Harada
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink, ink stored container, inkjet printing method, and inkjet print...
Patent number
9,850,391
Issue date
Dec 26, 2017
Ricoh Company, Ltd.
Masayuki Fukuoka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer, ink, and ink container
Patent number
9,777,091
Issue date
Oct 3, 2017
Ricoh Company, Ltd.
Masayuki Fukuoka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer, aqueous ink, and ink cartridge
Patent number
9,365,670
Issue date
Jun 14, 2016
Ricoh Company, Ltd.
Shigeyuki Harada
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink, ink cartridge, inkjet recording device, and copolymer
Patent number
9,353,274
Issue date
May 31, 2016
Ricoh Company, Ltd.
Keita Katoh
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Photoconductor
Patent number
9,235,146
Issue date
Jan 12, 2016
Ricoh Company, Ltd.
Tomoyuki Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Amine compound, electrophotographic photoconductor, image forming m...
Patent number
9,040,215
Issue date
May 26, 2015
Ricoh Company, Ltd.
Tomoyuki Shimada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxygallium porphyrazine derivative mixture and electrophotograp...
Patent number
9,005,856
Issue date
Apr 14, 2015
Ricoh Company, Ltd.
Tomoyuki Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image bearing member, image forming method, image forming apparatus...
Patent number
8,889,324
Issue date
Nov 18, 2014
Ricoh Company, Ltd.
Ryota Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, electrophotographic image formin...
Patent number
8,809,543
Issue date
Aug 19, 2014
Ricoh Company, Ltd.
Ryota Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, electrophotographic method, and...
Patent number
8,586,270
Issue date
Nov 19, 2013
Ricoh Company, Ltd.
Ryota Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge
Patent number
8,380,109
Issue date
Feb 19, 2013
Ricoh Company, Ltd.
Eiji Kurimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, electrophotographic image formin...
Patent number
8,304,153
Issue date
Nov 6, 2012
Ricoh Company, Ltd.
Tomoyuki Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, image forming method, image form...
Patent number
8,298,734
Issue date
Oct 30, 2012
Ricoh Company, Ltd.
Tomoyuki Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Naphthalenetetracarboxylic acid diimide derivative and electrophoto...
Patent number
8,232,031
Issue date
Jul 31, 2012
Ricoh Company, Ltd.
Masafumi Ohta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic photoreceptor, image forming apparatus using th...
Patent number
8,178,266
Issue date
May 15, 2012
Ricoh Company, Ltd.
Hiromi Tada
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Electrophotographic photoreceptor, image forming apparatus, and pro...
Patent number
8,110,326
Issue date
Feb 7, 2012
Ricoh Company Limited
Tomoyuki Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor and method of preparing the photo...
Patent number
7,964,327
Issue date
Jun 21, 2011
Ricoh Company Ltd.
Masanobu Gondoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, and image forming apparatus and...
Patent number
7,858,278
Issue date
Dec 28, 2010
Ricoh Company Limited
Hiroshi Ikuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for preparing photoreceptor, photoreceptor prepared by the m...
Patent number
7,855,040
Issue date
Dec 21, 2010
Ricoh Company Limited
Yoshiki Yanagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
INK, METHOD OF MANUFACTURING INK, AND INK CARTRIDGE
Publication number
20190136076
Publication date
May 9, 2019
Yuusuke KOIZUKA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
CURABLE COMPOSITION, CURABLE INK, ACCOMMODATING CONTAINER, IMAGE FO...
Publication number
20180127607
Publication date
May 10, 2018
Mitsunobu MORITA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COPOLYMER, INK INCLUDING COPOLYMER, AND INK-STORED CONTAINER
Publication number
20180002553
Publication date
Jan 4, 2018
Shigeyuki HARADA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
Publication number
20180002469
Publication date
Jan 4, 2018
Shigeyuki HARADA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK AND METHOD FOR PRODUCING SAME, AND INK STORED CONTAINER, PRINTI...
Publication number
20170267884
Publication date
Sep 21, 2017
Yuusuke KOIZUKA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK, RECORDED MATTER, INK CONTAINER, RECORDING DEVICE, AND RECORDIN...
Publication number
20170174918
Publication date
Jun 22, 2017
Yoshiki YANAGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
COPOLYMER, COLORING MATERIAL DISPERSION, INK, AND INK STORE CONTAINER
Publication number
20170158794
Publication date
Jun 8, 2017
Shigeyuki HARADA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
INK, METHOD OF MANUFACTURING INK, AND INK CARTRIDGE
Publication number
20170121544
Publication date
May 4, 2017
Yuusuke KOIZUKA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
INK, INK STORED CONTAINER, INKJET PRINTING METHOD, AND INKJET PRINT...
Publication number
20170073533
Publication date
Mar 16, 2017
Masayuki FUKUOKA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
INK, INK STORED CONTAINER, INKJET RECORDING APPARATUS, AND RECORDED...
Publication number
20160362572
Publication date
Dec 15, 2016
Akihiko MATSUYAMA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK, INK CONTAINER, INKJET RECORDING DEVICE, AND RECORDED MATTER
Publication number
20160222234
Publication date
Aug 4, 2016
Akihiko MATSUYAMA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COPOLYMER, INK, AND INK CONTAINER
Publication number
20160168292
Publication date
Jun 16, 2016
Masayuki FUKUOKA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
INK, INK CARTRIDGE, INKJET RECORDING DEVICE, AND COPOLYMER
Publication number
20160130452
Publication date
May 12, 2016
Keita KATOH
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
Publication number
20160102162
Publication date
Apr 14, 2016
Shigeyuki HARADA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COPOLYMER, AQUEOUS INK, AND INK CARTRIDGE
Publication number
20160017075
Publication date
Jan 21, 2016
Shigeyuki HARADA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PHOTOCONDUCTOR
Publication number
20150079509
Publication date
Mar 19, 2015
RICOH COMPANY, LTD.
Tomoyuki Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20140234763
Publication date
Aug 21, 2014
Akihiro SUGINO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
AMINE COMPOUND, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING M...
Publication number
20130202994
Publication date
Aug 8, 2013
Tomoyuki SHIMADA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC METHOD, AND...
Publication number
20120251934
Publication date
Oct 4, 2012
Ryota ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HYDROXYGALLIUM PORPHYRAZINE DERIVATIVE MIXTURE AND ELECTROPHOTOGRAP...
Publication number
20120231380
Publication date
Sep 13, 2012
Tomoyuki Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC IMAGE FORMIN...
Publication number
20120064443
Publication date
Mar 15, 2012
Ryota ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE BEARING MEMBER, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS...
Publication number
20110200925
Publication date
Aug 18, 2011
Ryota ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC IMAGE FORMIN...
Publication number
20110059392
Publication date
Mar 10, 2011
RICOH COMPANY, LTD.
Tomoyuki SHIMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic photoreceptor, image forming method, image form...
Publication number
20100119964
Publication date
May 13, 2010
Ricoh Company, Ltd.
Tomoyuki Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS USING TH...
Publication number
20090324281
Publication date
Dec 31, 2009
RICOH COMPANY, LTD.
Hiromi Tada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and process cartridge
Publication number
20090180804
Publication date
Jul 16, 2009
Ricoh Company, Ltd.
Eiji Kurimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
NAPHTHALENETETRACARBOXYLIC ACID DIIMIDE DERIVATIVE AND ELECTROPHOTO...
Publication number
20090068577
Publication date
Mar 12, 2009
RICOH COMPANY, LTD.
Masafumi OHTA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS, AND PRO...
Publication number
20080298840
Publication date
Dec 4, 2008
Tomoyuki SHIMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR PREPARING PHOTORECEPTOR, PHOTORECEPTOR PREPARED BY THE M...
Publication number
20080102391
Publication date
May 1, 2008
Yoshiki Yanagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, METHOD FOR PRODUCING THE SAME,...
Publication number
20080063962
Publication date
Mar 13, 2008
Tetsuya TOSHINE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY