Toshihiro ISHII

Person

Miyagi, JP

People

Patents Grantslast 30 patents

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
- Patent number 10,768,095
- Issue date Sep 8, 2020
- Ricoh Company, Ltd.
- Yoichiro Takahashi
- G01 - MEASURING TESTING
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 examination method and optical examination device
- Patent number 10,292,590
- Issue date May 21, 2019
- Ricoh Company, Ltd.
- Toshihiro Ishii
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Optical sensor, optical testing apparatus, and optical characterist...
- Patent number 10,175,169
- Issue date Jan 8, 2019
- Ricoh Company, Ltd.
- Toshihiro Ishii
- G01 - MEASURING TESTING
Information Patent Grant
Optical sensor, optical examination device, and optical property de...
- Patent number 10,177,530
- Issue date Jan 8, 2019
- Ricoh Company, Ltd.
- Toshihiro Ishii
- G01 - MEASURING TESTING
Information Patent Grant
Optical sensor, optical inspection device, and optical property det...
- Patent number 10,067,056
- Issue date Sep 4, 2018
- Ricoh Company, Ltd.
- Masayuki Fujiwara
- G01 - MEASURING TESTING
Information Patent Grant
Optical sensor, optical testing device, and optical characteristic...
- Patent number 10,039,452
- Issue date Aug 7, 2018
- Ricoh Company, Ltd.
- Toshihiro Ishii
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Surface-emitting laser module, optical scanner device, and image fo...
- Patent number 9,831,633
- Issue date Nov 28, 2017
- Ricoh Company, Ltd.
- Toshihiro Ishii
- B82 - NANO-TECHNOLOGY
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 image forming apparatus
- Patent number 9,678,006
- Issue date Jun 13, 2017
- Ricoh Company, Ltd.
- Yoshihiro Ohba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical sensor and image forming device incorporating the same
- Patent number 9,513,218
- Issue date Dec 6, 2016
- Ricoh Company, Ltd.
- Yoshihiro Ohba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical sensor and image forming apparatus
- Patent number 9,513,216
- Issue date Dec 6, 2016
- Ricoh Company, Ltd.
- Yoshihiro Ohba
- 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
Surface-emitting laser module, optical scanner device, and image fo...
- Patent number 9,276,377
- Issue date Mar 1, 2016
- Ricoh Company, Ltd.
- Toshihiro Ishii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical sensor and image forming apparatus
- Patent number 9,267,886
- Issue date Feb 23, 2016
- Ricoh Company, Ltd.
- Yoshihiro Ohba
- G01 - MEASURING TESTING
Information Patent Grant
Sensor and image-forming apparatus
- Patent number 9,188,530
- Issue date Nov 17, 2015
- Ricoh Company, Ltd.
- Fumikazu Hoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Light source unit, optical scanning device, and image forming appar...
- Patent number 8,976,216
- Issue date Mar 10, 2015
- Ricoh Company, Ltd.
- Yoshihiro Ohba
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Surface-emitting laser module, optical scanner device, and image fo...
- Patent number 8,916,418
- Issue date Dec 23, 2014
- Ricoh Company, Ltd.
- Toshihiro Ishii
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical device capable of minimizing output variation due to feedba...
- Patent number 8,803,936
- Issue date Aug 12, 2014
- Ricoh Company, Ltd.
- Kazuhiko Adachi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Information Patent Grant
Manufacturing method, surface-emitting laser device, surface-emitti...
- Patent number 8,630,325
- Issue date Jan 14, 2014
- Ricoh Company, Ltd.
- Hiroyoshi Shouji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device, optical scanning apparatus and image forming apparatus
- Patent number 8,446,446
- Issue date May 21, 2013
- Ricoh Company, Ltd.
- Fumikazu Hoshi
- G02 - OPTICS
Information Patent Grant
Manufacturing method, surface-emitting laser device, surface-emitti...
- Patent number 8,416,822
- Issue date Apr 9, 2013
- Ricoh Company, Ltd.
- Hiroyoshi Shouji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-emitting laser, surface-emitting laser array, optical scann...
- Patent number 8,111,725
- Issue date Feb 7, 2012
- Ricoh Company, Ltd.
- Toshihiro Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
BIOLOGICAL MEASUREMENT DEVICE, PULSE WAVE SENSOR, SPHYGMOMANOMETER,...
- Publication number 20230050179
- Publication date Feb 16, 2023
- RICOH COMPANY, LTD.
- Toshihiro ISHII
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MAGNETIC MEASUREMENT APPARATUS AND MAGNETIC MEASUREMENT SYSTEM
- Publication number 20220304606
- Publication date Sep 29, 2022
- Toshihiro ISHII
- 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
- Publication number 20200064253
- Publication date Feb 27, 2020
- RICOH COMPANY, LTD.
- Yoichiro TAKAHASHI
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL SENSOR, OPTICAL TESTING APPARATUS, AND OPTICAL CHARACTERIST...
- Publication number 20180011015
- Publication date Jan 11, 2018
- RICOH COMPANY, LTD.
- Toshihiro ISHII
- G01 - MEASURING TESTING
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, OPTICAL EXAMINATION DEVICE, AND OPTICAL PROPERTY DE...
- Publication number 20170179682
- Publication date Jun 22, 2017
- RICOH COMPANY, LTD.
- Toshihiro ISHII
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL EXAMINATION METHOD AND OPTICAL EXAMINATION DEVICE
- Publication number 20160360966
- Publication date Dec 15, 2016
- RICOH COMPANY, LTD.
- Toshihiro ISHII
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPTICAL SENSOR, OPTICAL TESTING DEVICE, AND OPTICAL CHARACTERISTIC...
- Publication number 20160242647
- Publication date Aug 25, 2016
- RICOH COMPANY, LTD.
- Toshihiro Ishii
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL SENSOR, OPTICAL INSPECTION DEVICE, AND OPTICAL PROPERTY DET...
- Publication number 20160195473
- Publication date Jul 7, 2016
- Masayuki FUJIWARA
- 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
OPTICAL SENSOR AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150116718
- Publication date Apr 30, 2015
- Terumichi OCHI
- 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
SURFACE-EMITTING LASER MODULE, OPTICAL SCANNER DEVICE, AND IMAGE FO...
- Publication number 20150023381
- Publication date Jan 22, 2015
- RICOH COMPANY, LTD.
- Toshihiro Ishii
- H01 - BASIC ELECTRIC ELEMENTS
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
OPTICAL SENSOR AND IMAGE FORMING DEVICE INCORPORATING THE SAME
- Publication number 20140268151
- Publication date Sep 18, 2014
- RICOH COMPANY, LTD.
- Yoshihiro Ohba
- 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
SENSOR AND IMAGE-FORMING APPARATUS
- Publication number 20140241742
- Publication date Aug 28, 2014
- RICOH COMPANY, LTD.
- Fumikazu Hoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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 20130216247
- Publication date Aug 22, 2013
- RICOH COMPANY, LTD.
- Yoshihiro Oba
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
- Publication number 20130194573
- Publication date Aug 1, 2013
- Yoshihiro Ohba
- G01 - MEASURING TESTING
Information Patent Application
MANUFACTURING METHOD, SURFACE-EMITTING LASER DEVICE, SURFACE-EMITTI...
- Publication number 20130157397
- Publication date Jun 20, 2013
- RICOH COMPANY, LTD.
- Hiroyoshi Shouji
- H01 - BASIC ELECTRIC ELEMENTS
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
Information Patent Application
OPTICAL DEVICE CAPABLE OF MINIMIZING OUTPUT VARIATION DUE TO FEEDBA...
- Publication number 20120251182
- Publication date Oct 4, 2012
- RICOH COMPANY, LTD.,
- Kazuhiko Adachi
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE UNIT, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPAR...
- Publication number 20110267415
- Publication date Nov 3, 2011
- RICOH COMPANY, LTD.
- Yoshihiro OHBA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE, OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20110261139
- Publication date Oct 27, 2011
- RICOH COMPANY, LTD.
- Fumikazu HOSHI
- G02 - OPTICS
Information Patent Application
SURFACE-EMITTING LASER MODULE, OPTICAL SCANNER DEVICE, AND IMAGE FO...
- Publication number 20110228035
- Publication date Sep 22, 2011
- RICOH COMPANY, LTD.
- Toshihiro Ishii
- G06 - COMPUTING CALCULATING COUNTING

Toshihiro ISHII

Person

Patents Grantslast 30 patents

Optical sensor and image forming apparatus

Optical sensor

Optical sensor and image forming apparatus

Optical examination method and optical examination device

Optical sensor, optical testing apparatus, and optical characterist...

Optical sensor, optical examination device, and optical property de...

Optical sensor, optical inspection device, and optical property det...

Optical sensor, optical testing device, and optical characteristic...

Surface-emitting laser module, optical scanner device, and image fo...

Optical sensor and image forming apparatus

Optical sensor and image forming apparatus

Optical sensor and image forming device incorporating the same

Optical sensor and image forming apparatus

Sensor apparatus and image forming apparatus incorporating same

Surface-emitting laser module, optical scanner device, and image fo...

Optical sensor and image forming apparatus

Sensor and image-forming apparatus

Sensor device and image forming apparatus

Moisture sensor, moisture detector, and image forming apparatus

Optical sensor and image forming apparatus configured to detect ins...

Light source unit, optical scanning device, and image forming appar...

Optical sensor and image forming apparatus

Optical sensor and image forming apparatus

Surface-emitting laser module, optical scanner device, and image fo...

Optical device capable of minimizing output variation due to feedba...

Moisture sensor, moisture detector, and image forming apparatus

Manufacturing method, surface-emitting laser device, surface-emitti...

Optical device, optical scanning apparatus and image forming apparatus

Manufacturing method, surface-emitting laser device, surface-emitti...

Surface-emitting laser, surface-emitting laser array, optical scann...

Patents Applicationslast 30 patents

BIOLOGICAL MEASUREMENT DEVICE, PULSE WAVE SENSOR, SPHYGMOMANOMETER,...

MAGNETIC MEASUREMENT APPARATUS AND MAGNETIC MEASUREMENT SYSTEM

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

OPTICAL SENSOR

OPTICAL SENSOR, OPTICAL TESTING APPARATUS, AND OPTICAL CHARACTERIST...

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

OPTICAL SENSOR, OPTICAL EXAMINATION DEVICE, AND OPTICAL PROPERTY DE...

OPTICAL EXAMINATION METHOD AND OPTICAL EXAMINATION DEVICE

OPTICAL SENSOR, OPTICAL TESTING DEVICE, AND OPTICAL CHARACTERISTIC...

OPTICAL SENSOR, OPTICAL INSPECTION DEVICE, AND OPTICAL PROPERTY DET...

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

OPTICAL SENSOR AND IMAGE FORMING APPARATUS INCORPORATING SAME

SENSOR APPARATUS AND IMAGE FORMING APPARATUS INCORPORATING SAME

SURFACE-EMITTING LASER MODULE, OPTICAL SCANNER DEVICE, AND IMAGE FO...

SENSOR DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SENSOR AND IMAGE FORMING DEVICE INCORPORATING THE SAME

MOISTURE SENSOR, MOISTURE DETECTOR, AND IMAGE FORMING APPARATUS

SENSOR AND IMAGE-FORMING APPARATUS

OPTICAL SENSOR AND IMAGE FORMING DEVICE

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

MANUFACTURING METHOD, SURFACE-EMITTING LASER DEVICE, SURFACE-EMITTI...

MOISTURE SENSOR, MOISTURE DETECTOR, AND IMAGE FORMING APPARATUS

OPTICAL SENSOR, IMAGE FORMING APPARATUS AND DETERMINATION METHOD

OPTICAL DEVICE CAPABLE OF MINIMIZING OUTPUT VARIATION DUE TO FEEDBA...

LIGHT SOURCE UNIT, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPAR...

OPTICAL DEVICE, OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS

SURFACE-EMITTING LASER MODULE, OPTICAL SCANNER DEVICE, AND IMAGE FO...