Nobuyuki Arai

Person

Ebina-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Projection optical system including movable lens groups, a non-mova...
- Patent number 11,042,082
- Issue date Jun 22, 2021
- Ricoh Company, Ltd.
- Yohei Takano
- G02 - OPTICS
Information Patent Grant
Optical scanner and image forming device incorporating same
- Patent number 10,409,192
- Issue date Sep 10, 2019
- Ricoh Company, Ltd.
- Tomoya Fujii
- G02 - OPTICS
Information Patent Grant
Projection optical system including movable lens groups and image d...
- Patent number 10,241,308
- Issue date Mar 26, 2019
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser device, ignition system, and internal combustion engine
- Patent number 9,935,420
- Issue date Apr 3, 2018
- Ricoh Company, Ltd.
- Kazuma Izumiya
- G02 - OPTICS
Information Patent Grant
Optical scanner and image forming device incorporating same
- Patent number 9,864,296
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Tomoya Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser device
- Patent number 9,784,934
- Issue date Oct 10, 2017
- Ricoh Company, Ltd.
- Nobuyuki Arai
- G02 - OPTICS
Information Patent Grant
Projection optical system and image display apparatus including a r...
- Patent number 9,766,438
- Issue date Sep 19, 2017
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Surface-emitting light source and laser apparatus
- Patent number 9,608,410
- Issue date Mar 28, 2017
- Ricoh Company, Ltd.
- Nobuyuki Arai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser device
- Patent number 9,541,721
- Issue date Jan 10, 2017
- Ricoh Company, Ltd.
- Nobuyuki Arai
- G02 - OPTICS
Information Patent Grant
Light beam scanning device and image forming apparatus
- Patent number 9,494,793
- Issue date Nov 15, 2016
- Ricoh Company, Ltd.
- Nobuyuki Arai
- G02 - OPTICS
Information Patent Grant
Optical projection system and image projector incorporating the same
- Patent number 9,482,866
- Issue date Nov 1, 2016
- Ricoh Company, Ltd.
- Nobuyuki Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical system and image display apparatus
- Patent number 9,261,767
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Yohei Takano
- G02 - OPTICS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 9,195,062
- Issue date Nov 24, 2015
- Ricoh Company, Limited
- Nobuyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,699,096
- Issue date Apr 15, 2014
- Ricoh Company, Ltd.
- Nobuyuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical scanner and image forming apparatus
- Patent number 8,564,635
- Issue date Oct 22, 2013
- Ricoh Company, Ltd.
- Hibiki Tatsuno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical scanner and image forming apparatus
- Patent number 8,497,894
- Issue date Jul 30, 2013
- Ricoh Company, Ltd.
- Nobuyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,451,307
- Issue date May 28, 2013
- Ricoh Company, Ltd.
- Nobuyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanner and image forming apparatus addressing uneven biref...
- Patent number 8,441,512
- Issue date May 14, 2013
- Ricoh Company, Limited
- Hibiki Tatsuno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,264,515
- Issue date Sep 11, 2012
- Ricoh Company, Ltd.
- Nobuyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanner and image forming apparatus including a common opti...
- Patent number 8,228,580
- Issue date Jul 24, 2012
- Ricoh Company, Ltd.
- Nobuyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanner and image forming apparatus
- Patent number 8,102,411
- Issue date Jan 24, 2012
- Ricoh Company, Ltd.
- Nobuyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device, image forming apparatus, and optical scann...
- Patent number 8,022,347
- Issue date Sep 20, 2011
- Ricoh Company, Ltd.
- Hibiki Tatsuno
- G01 - MEASURING TESTING
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 7,626,744
- Issue date Dec 1, 2009
- Ricoh Company, Limited
- Nobuyuki Arai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION OPTICAL SYSTEM INCLUDING MOVABLE LENS GROUPS AND IMAGE D...
- Publication number 20190219801
- Publication date Jul 18, 2019
- RICOH COMPANY, LTD.
- Yohei TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING DEVICE INCORPORATING SAME
- Publication number 20180088485
- Publication date Mar 29, 2018
- Tomoya FUJII
- G02 - OPTICS
Information Patent Application
PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS
- Publication number 20180003934
- Publication date Jan 4, 2018
- Ricoh Company, Ltd.
- Yohei TAKANO
- G02 - OPTICS
Information Patent Application
LASER DEVICE
- Publication number 20170075085
- Publication date Mar 16, 2017
- Nobuyuki ARAI
- G02 - OPTICS
Information Patent Application
SURFACE-EMITTING LIGHT SOURCE AND LASER APPARATUS
- Publication number 20160134076
- Publication date May 12, 2016
- Nobuyuki ARAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS
- Publication number 20160103304
- Publication date Apr 14, 2016
- Yohei Takano
- G02 - OPTICS
Information Patent Application
LASER DEVICE, IGNITION SYSTEM, AND INTERNAL COMBUSTION ENGINE
- Publication number 20160094009
- Publication date Mar 31, 2016
- Kazuma IZUMIYA
- G02 - OPTICS
Information Patent Application
LASER DEVICE
- Publication number 20160011387
- Publication date Jan 14, 2016
- Nobuyuki ARAI
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING DEVICE INCORPORATING SAME
- Publication number 20150261120
- Publication date Sep 17, 2015
- Tomoya FUJII
- G02 - OPTICS
Information Patent Application
OPTICAL PROJECTION SYSTEM AND IMAGE PROJECTOR INCORPORATING THE SAME
- Publication number 20150205099
- Publication date Jul 23, 2015
- Nobuyuki ARAI
- G02 - OPTICS
Information Patent Application
PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS
- Publication number 20140340658
- Publication date Nov 20, 2014
- Yohei Takano
- G02 - OPTICS
Information Patent Application
LIGHT BEAM SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130188004
- Publication date Jul 25, 2013
- Nobuyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120177409
- Publication date Jul 12, 2012
- Nobuyuki Arai
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
- Publication number 20110221857
- Publication date Sep 15, 2011
- Hibiki TATSUNO
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
- Publication number 20110122217
- Publication date May 26, 2011
- RICOH COMPANY, LTD.
- Nobuyuki Arai
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
- Publication number 20110052263
- Publication date Mar 3, 2011
- RICOH COMPANY, LTD.
- Hibiki Tatsuno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110012982
- Publication date Jan 20, 2011
- Nobuyuki Arai
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS, AND OPTICAL SCANN...
- Publication number 20090314927
- Publication date Dec 24, 2009
- Hibiki Tatsuno
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090195636
- Publication date Aug 6, 2009
- Nobuyuki Arai
- G02 - OPTICS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090141316
- Publication date Jun 4, 2009
- Nobuyuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
- Publication number 20080285104
- Publication date Nov 20, 2008
- Nobuyuki ARAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080267662
- Publication date Oct 30, 2008
- Nobuyuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
- Publication number 20080219601
- Publication date Sep 11, 2008
- Nobuyuki Arai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080204842
- Publication date Aug 28, 2008
- Nobuyuki Arai
- G02 - OPTICS

Nobuyuki Arai

Person

Patents Grantslast 30 patents

Projection optical system including movable lens groups, a non-mova...

Optical scanner and image forming device incorporating same

Projection optical system including movable lens groups and image d...

Laser device, ignition system, and internal combustion engine

Optical scanner and image forming device incorporating same

Laser device

Projection optical system and image display apparatus including a r...

Surface-emitting light source and laser apparatus

Laser device

Light beam scanning device and image forming apparatus

Optical projection system and image projector incorporating the same

Projection optical system and image display apparatus

Optical scanning device and image forming apparatus

Image forming apparatus

Optical scanner and image forming apparatus

Optical scanner and image forming apparatus

Optical scanning device and image forming apparatus

Optical scanner and image forming apparatus addressing uneven biref...

Optical scanning device and image forming apparatus

Optical scanner and image forming apparatus including a common opti...

Optical scanner and image forming apparatus

Optical scanning device, image forming apparatus, and optical scann...

Optical scanning device and image forming apparatus

Patents Applicationslast 30 patents

PROJECTION OPTICAL SYSTEM INCLUDING MOVABLE LENS GROUPS AND IMAGE D...

OPTICAL SCANNER AND IMAGE FORMING DEVICE INCORPORATING SAME

PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS

LASER DEVICE

SURFACE-EMITTING LIGHT SOURCE AND LASER APPARATUS

PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS

LASER DEVICE, IGNITION SYSTEM, AND INTERNAL COMBUSTION ENGINE

LASER DEVICE

OPTICAL SCANNER AND IMAGE FORMING DEVICE INCORPORATING SAME

OPTICAL PROJECTION SYSTEM AND IMAGE PROJECTOR INCORPORATING THE SAME

PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS

LIGHT BEAM SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNER AND IMAGE FORMING APPARATUS

OPTICAL SCANNER AND IMAGE FORMING APPARATUS

OPTICAL SCANNER AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS, AND OPTICAL SCANN...

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

OPTICAL SCANNER AND IMAGE FORMING APPARATUS

LIGHT SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNER AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS