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Koichi MUROTA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus and method of detecting rise of recording m...
Patent number
11,611,674
Issue date
Mar 21, 2023
Ricoh Company, Ltd.
Hidemasa Morimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
10,520,850
Issue date
Dec 31, 2019
Ricoh Company, Ltd.
Hiroaki Nishina
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
10,514,646
Issue date
Dec 24, 2019
Ricoh Company, Ltd.
Susumu Narita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,437,188
Issue date
Oct 8, 2019
Ricoh Company, Ltd.
Takuma Nishio
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image writing device, image forming apparatus, and image writing me...
Patent number
9,310,710
Issue date
Apr 12, 2016
Ricoh Company, Ltd.
Masashi Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image writing device, image forming apparatus, and image writing me...
Patent number
9,223,244
Issue date
Dec 29, 2015
Ricoh Company, Ltd.
Koichi Murota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
8,605,130
Issue date
Dec 10, 2013
Ricoh Company, Limited
Koichi Murota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical writing unit and image forming apparatus for performing enh...
Patent number
8,570,355
Issue date
Oct 29, 2013
Ricoh Company, Ltd.
Koichi Murota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS AND METHOD OF DETECTING RISE OF RECORDING M...
Publication number
20210405562
Publication date
Dec 30, 2021
RICOH COMPANY, LTD.
Hidemasa MORIMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20190286005
Publication date
Sep 19, 2019
RICOH COMPANY LTD.
Hiroaki NISHINA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20190094776
Publication date
Mar 28, 2019
RICOH COMPANY, LTD.
TAKUMA NISHIO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20180356759
Publication date
Dec 13, 2018
RICOH COMPANY, LTD.
Susumu Narita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE WRITING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE WRITING ME...
Publication number
20150261116
Publication date
Sep 17, 2015
Koichi MUROTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE WRITING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE WRITING ME...
Publication number
20150261117
Publication date
Sep 17, 2015
RICOH COMPANY, LTD.
Masashi SUZUKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20120194630
Publication date
Aug 2, 2012
RICOH COMPANY, LIMITED
Koichi Murota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WRITING UNIT AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20120069127
Publication date
Mar 22, 2012
Koichi Murota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY