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Miyagi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Measuring device, blood-sugar level measuring device, and measuring...
Patent number
11,963,760
Issue date
Apr 23, 2024
Ricoh Company, Ltd.
Yoshihiro Oba
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical sensor and image forming apparatus
Patent number
11,215,945
Issue date
Jan 4, 2022
Ricoh Company, Ltd.
Toshihiro Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical sensor and image forming apparatus
Patent number
10,606,204
Issue date
Mar 31, 2020
Ricoh Company, Ltd.
Toshihiro Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical sensor, and devices incorporating the same
Patent number
10,041,927
Issue date
Aug 7, 2018
Ricoh Company, Ltd.
Kazuma Goto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical sensor, recording medium discrimination device, and image f...
Patent number
10,031,457
Issue date
Jul 24, 2018
Ricoh Company, Ltd.
Yoshihiro Oba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical sensor and image forming apparatus
Patent number
9,696,674
Issue date
Jul 4, 2017
Ricoh Company, Ltd.
Toshihiro Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical sensor, and devices incorporating the same
Patent number
9,501,018
Issue date
Nov 22, 2016
Ricoh Company, Ltd.
Kazuma Goto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sensor apparatus and image forming apparatus incorporating same
Patent number
9,429,513
Issue date
Aug 30, 2016
Ricoh Company, Ltd.
Kazuhiko Adachi
G01 - MEASURING TESTING
Information
Patent Grant
Sensor device and image forming apparatus
Patent number
9,170,190
Issue date
Oct 27, 2015
Ricoh Company, Ltd.
Kazuma Goto
G01 - MEASURING TESTING
Information
Patent Grant
Moisture sensor, moisture detector, and image forming apparatus
Patent number
9,157,853
Issue date
Oct 13, 2015
Ricoh Company, Ltd.
Toshihiro Ishii
G01 - MEASURING TESTING
Information
Patent Grant
Optical sensor and image forming apparatus configured to detect ins...
Patent number
9,103,717
Issue date
Aug 11, 2015
Ricoh Company, Ltd.
Yoshihiro Oba
G01 - MEASURING TESTING
Information
Patent Grant
Optical sensor and image forming apparatus
Patent number
8,971,749
Issue date
Mar 3, 2015
Ricoh Company, Ltd.
Yoshihiro Oba
G01 - MEASURING TESTING
Information
Patent Grant
Optical sensor and image forming apparatus
Patent number
8,942,583
Issue date
Jan 27, 2015
Ricoh Company, Ltd.
Fumikazu Hoshi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Moisture sensor, moisture detector, and image forming apparatus
Patent number
8,750,732
Issue date
Jun 10, 2014
Ricoh Company, Limited
Toshihiro Ishii
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF MEASURING BIOLOGICAL INFORMATION, AND MEASURING SYSTEM
Publication number
20240125691
Publication date
Apr 18, 2024
Yoshihiro OBA
G01 - MEASURING TESTING
Information
Patent Application
MEASURING DEVICE, BLOOD-SUGAR LEVEL MEASURING DEVICE, AND MEASURING...
Publication number
20230293052
Publication date
Sep 21, 2023
Yoshihiro OBA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
MEASURING APPARATUS
Publication number
20230288323
Publication date
Sep 14, 2023
Ryosuke KASAHARA
G01 - MEASURING TESTING
Information
Patent Application
MEASURING APPARATUS AND BIOLOGICAL INFORMATION MEASURING APPARATUS
Publication number
20220386875
Publication date
Dec 8, 2022
Yoshihiro OBA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
BIOLOGICAL INFORMATION MEASURING DEVICE AND BIOLOGICAL INFORMATION...
Publication number
20220369963
Publication date
Nov 24, 2022
Yoshihiro OBA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
MEASUREMENT APPARATUS AND BIOLOGICAL INFORMATION MEASUREMENT APPARATUS
Publication number
20210259586
Publication date
Aug 26, 2021
RICOH COMPANY, LTD.
Yoshihiro OBA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
Publication number
20200183314
Publication date
Jun 11, 2020
RICOH COMPANY, LTD.
Toshihiro Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
Publication number
20170261903
Publication date
Sep 14, 2017
RICOH COMPANY, LTD.
Toshihiro Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL SENSOR, AND DEVICES INCORPORATING THE SAME
Publication number
20170003266
Publication date
Jan 5, 2017
Kazuma GOTO
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENSOR, RECORDING MEDIUM DISCRIMINATION DEVICE, AND IMAGE F...
Publication number
20160209794
Publication date
Jul 21, 2016
RICOH COMPANY, LTD.
Yoshihiro OBA
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENSOR, AND DEVICES INCORPORATING THE SAME
Publication number
20160154356
Publication date
Jun 2, 2016
Kazuma GOTO
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
Publication number
20150261163
Publication date
Sep 17, 2015
RICOH COMPANY, LTD.
Toshihiro Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SENSOR DRIVE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20150071658
Publication date
Mar 12, 2015
RICOH COMPANY, LTD.
Fumikazu Hoshi
G01 - MEASURING TESTING
Information
Patent Application
SENSOR APPARATUS AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20150062582
Publication date
Mar 5, 2015
RICOH COMPANY LTD.
Kazuhiko ADACHI
G01 - MEASURING TESTING
Information
Patent Application
SENSOR DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150015882
Publication date
Jan 15, 2015
RICOH COMPANY, LTD.
Kazuma Goto
G01 - MEASURING TESTING
Information
Patent Application
MOISTURE SENSOR, MOISTURE DETECTOR, AND IMAGE FORMING APPARATUS
Publication number
20140246590
Publication date
Sep 4, 2014
Toshihiro Ishii
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENSOR AND IMAGE FORMING DEVICE
Publication number
20130235377
Publication date
Sep 12, 2013
RICOH COMPANY, LTD.
Toshihiro ISHII
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
Publication number
20130228674
Publication date
Sep 5, 2013
RICOH COMPANY, LTD.
Yoshihiro Oba
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
Publication number
20130216245
Publication date
Aug 22, 2013
RICOH COMPANY, LTD.
Fumikazu Hoshi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
Publication number
20130216246
Publication date
Aug 22, 2013
RICOH COMPANY, LTD.
Fumikazu Hoshi
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
Publication number
20130216247
Publication date
Aug 22, 2013
RICOH COMPANY, LTD.
Yoshihiro Oba
G01 - MEASURING TESTING
Information
Patent Application
MOISTURE SENSOR, MOISTURE DETECTOR, AND IMAGE FORMING APPARATUS
Publication number
20130057861
Publication date
Mar 7, 2013
Toshihiro Ishii
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENSOR, IMAGE FORMING APPARATUS AND DETERMINATION METHOD
Publication number
20130057868
Publication date
Mar 7, 2013
Yoshihiro OBA
G01 - MEASURING TESTING