Shigeaki IMAI

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light source device and image projection apparatus
- Patent number 11,874,592
- Issue date Jan 16, 2024
- Ricoh Company, Ltd.
- Kasumi Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light guide optical device, light source device, and image projecti...
- Patent number 11,812,201
- Issue date Nov 7, 2023
- Ricoh Company, Ltd.
- Takashi Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source device and projection device
- Patent number 11,720,010
- Issue date Aug 8, 2023
- Ricoh Company, Ltd.
- Kazuhiro Fujita
- G02 - OPTICS
Information Patent Grant
Image projection apparatus
- Patent number 11,630,288
- Issue date Apr 18, 2023
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device, image projection apparatus, and light source o...
- Patent number 11,537,037
- Issue date Dec 27, 2022
- Ricoh Company, Ltd.
- Yohei Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Object detector, sensing device, and mobile apparatus
- Patent number 10,795,019
- Issue date Oct 6, 2020
- Ricoh Company, Ltd.
- Shigeaki Imai
- G01 - MEASURING TESTING
Information Patent Grant
Light beam scanning device, image forming apparatus, and scanning l...
- Patent number 10,205,844
- Issue date Feb 12, 2019
- Ricoh Company, Ltd.
- Shinsuke Miyake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor laser driving apparatus, optical scanning apparatus,...
- Patent number 10,148,064
- Issue date Dec 4, 2018
- Ricoh Company, Ltd.
- Kohji Sakai
- G02 - OPTICS
Information Patent Grant
Object detecting device, sensing device, and mobile object device
- Patent number 10,114,110
- Issue date Oct 30, 2018
- Ricoh Company, Ltd.
- Shigeaki Imai
- G01 - MEASURING TESTING
Information Patent Grant
Object detection device and sensing apparatus
- Patent number 9,989,643
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Shigeaki Imai
- G01 - MEASURING TESTING
Information Patent Grant
Optical deflector, method for mirror finishing of mirror by cutting...
- Patent number 9,864,164
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Yukio Itami
- G02 - OPTICS
Information Patent Grant
Optical scanner, object detector, and sensing apparatus
- Patent number 9,846,236
- Issue date Dec 19, 2017
- Ricoh Company, Ltd.
- Shigeaki Imai
- G01 - MEASURING TESTING
Information Patent Grant
Object detector and sensing apparatus
- Patent number 9,804,385
- Issue date Oct 31, 2017
- Ricoh Company, Ltd.
- Yukio Itami
- G02 - OPTICS
Information Patent Grant
Optical measurement device and vehicle
- Patent number 9,568,358
- Issue date Feb 14, 2017
- Ricoh Company, Ltd.
- Tadashi Nakamura
- G01 - MEASURING TESTING
Information Patent Grant
Imaging system, print head, image forming apparatus, and image scanner
- Patent number 9,482,982
- Issue date Nov 1, 2016
- Ricoh Company, Ltd.
- Shigeaki Imai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Object detection apparatus with detection based on reflected light...
- Patent number 9,304,228
- Issue date Apr 5, 2016
- Ricoh Company, Ltd.
- Tadashi Nakamura
- G01 - MEASURING TESTING
Information Patent Grant
Object detector including a light source with light emitting region...
- Patent number 9,285,266
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Tadashi Nakamura
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing print head, print head and image forming ap...
- Patent number 9,283,771
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Shigeaki Imai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laser radar device
- Patent number 9,188,674
- Issue date Nov 17, 2015
- Ricoh Company, Ltd.
- Shuichi Suzuki
- G01 - MEASURING TESTING
Information Patent Grant
Imaging system, writing head, and image forming apparatus
- Patent number 9,174,459
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Shigeaki Imai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 9,116,351
- Issue date Aug 25, 2015
- Ricoh Company, Limited
- Shigeaki Imai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device having a scanning lens with a tilt-decenter...
- Patent number 9,013,531
- Issue date Apr 21, 2015
- Ricoh Company, Limited
- Shinsuke Miyake
- G02 - OPTICS
Information Patent Grant
Method for producing image forming apparatus, method for adjusting...
- Patent number 8,964,240
- Issue date Feb 24, 2015
- Ricoh Company, Ltd.
- Shigeaki Imai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,896,649
- Issue date Nov 25, 2014
- Ricoh Company, Limited
- Kensuke Masuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus using exposure unit of print head system
- Patent number 8,725,028
- Issue date May 13, 2014
- Ricoh Company, Limited
- Shigeaki Imai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Beam-spot position compensation method, optical scanning device, an...
- Patent number 8,619,107
- Issue date Dec 31, 2013
- Ricoh Company, Ltd.
- Shigeaki Imai
- G02 - OPTICS
Information Patent Grant
Velocity detecting device and multi-color image forming apparatus
- Patent number 8,587,774
- Issue date Nov 19, 2013
- Ricoh Company, Ltd.
- Hiroyoshi Funato
- G01 - MEASURING TESTING
Information Patent Grant
Exposure device and image forming apparatus, with driving unit sett...
- Patent number 8,411,125
- Issue date Apr 2, 2013
- Ricoh Company, Limited
- Shigeaki Imai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light source unit, phase type optical element, and laser beam scann...
- Patent number 8,164,612
- Issue date Apr 24, 2012
- Ricoh Company, Ltd.
- Shigeaki Imai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical scanning device, image forming apparatus, and write method
- Patent number 8,072,478
- Issue date Dec 6, 2011
- Ricoh Company, Ltd.
- Jun Tanabe
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SUBSTRATE, CONTAINER, PRODUCT, PRODUCTION METHOD, AND PRODUCTION AP...
- Publication number 20220410608
- Publication date Dec 29, 2022
- Rie HIRAYAMA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LIGHT GUIDE OPTICAL DEVICE, LIGHT SOURCE DEVICE, AND IMAGE PROJECTI...
- Publication number 20220345671
- Publication date Oct 27, 2022
- Takashi SASAKI
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE DEVICE AND IMAGE PROJECTION APPARATUS
- Publication number 20220299852
- Publication date Sep 22, 2022
- Kasumi NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTION DEVICE
- Publication number 20220179298
- Publication date Jun 9, 2022
- Kazuhiro FUJITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE DEVICE, IMAGE PROJECTION APPARATUS, AND LIGHT SOURCE O...
- Publication number 20220171267
- Publication date Jun 2, 2022
- Ricoh Company, Ltd.
- Yohei TAKANO
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20220066177
- Publication date Mar 3, 2022
- Ricoh Company, Ltd.
- Yohei TAKANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OBJECT DETECTOR, SENSING DEVICE, AND MOBILE APPARATUS
- Publication number 20180003821
- Publication date Jan 4, 2018
- Shigeaki IMAI
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL DEFLECTOR, METHOD FOR MIRROR FINISHING OF MIRROR BY CUTTING...
- Publication number 20170168261
- Publication date Jun 15, 2017
- Yukio ITAMI
- G02 - OPTICS
Information Patent Application
OBJECT DETECTING DEVICE, SENSING DEVICE, AND MOBILE OBJECT DEVICE
- Publication number 20160274223
- Publication date Sep 22, 2016
- Shigeaki IMAI
- G01 - MEASURING TESTING
Information Patent Application
SEMICONDUCTOR LASER DRIVING APPARATUS, OPTICAL SCANNING APPARATUS,...
- Publication number 20160261090
- Publication date Sep 8, 2016
- Kohji Sakai
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL SCANNER, OBJECT DETECTOR, AND SENSING APPARATUS
- Publication number 20160061955
- Publication date Mar 3, 2016
- Shigeaki Imai
- G01 - MEASURING TESTING
Information Patent Application
OBJECT DETECTOR AND SENSING APPARATUS
- Publication number 20150331108
- Publication date Nov 19, 2015
- Yukio ITAMI
- G01 - MEASURING TESTING
Information Patent Application
OBJECT DETECTION DEVICE AND SENSING APPARATUS
- Publication number 20150316650
- Publication date Nov 5, 2015
- Shigeaki IMAI
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF MANUFACTURING PRINT HEAD, PRINT HEAD AND IMAGE FORMING AP...
- Publication number 20150202887
- Publication date Jul 23, 2015
- Shigeaki IMAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGING SYSTEM, WRITING HEAD, AND IMAGE FORMING APPARATUS
- Publication number 20140267528
- Publication date Sep 18, 2014
- Shigeaki IMAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OBJECT DETECTOR
- Publication number 20140209793
- Publication date Jul 31, 2014
- Tadashi NAKAMURA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL MEASUREMENT DEVICE AND VEHICLE
- Publication number 20140036071
- Publication date Feb 6, 2014
- Tadashi NAKAMURA
- G01 - MEASURING TESTING
Information Patent Application
OBJECT DETECTION APPARATUS
- Publication number 20140034817
- Publication date Feb 6, 2014
- Tadashi NAKAMURA
- G02 - OPTICS
Information Patent Application
IMAGING SYSTEM, PRINT HEAD, IMAGE FORMING APPARATUS, AND IMAGE SCANNER
- Publication number 20140022327
- Publication date Jan 23, 2014
- Shigeaki IMAI
- G02 - OPTICS
Information Patent Application
LASER RADAR DEVICE
- Publication number 20140009747
- Publication date Jan 9, 2014
- RICOH COMPANY, LTD.
- Shuichi SUZUKI
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR PRODUCING IMAGE FORMING APPARATUS, METHOD FOR ADJUSTING...
- Publication number 20130321875
- Publication date Dec 5, 2013
- Shigeaki IMAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130235144
- Publication date Sep 12, 2013
- Shinsuke MIYAKE
- G02 - OPTICS
Information Patent Application
LIGHT BEAM SCANNING DEVICE, IMAGE FORMING APPARATUS, AND SCANNING L...
- Publication number 20130176602
- Publication date Jul 11, 2013
- Shinsuke MIYAKE
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120182367
- Publication date Jul 19, 2012
- Kensuke MASUDA
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120056968
- Publication date Mar 8, 2012
- Shigeaki IMAI
- G02 - OPTICS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120027450
- Publication date Feb 2, 2012
- Shigeaki IMAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
EXPOSURE DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110102536
- Publication date May 5, 2011
- Shigeaki IMAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
VELOCITY DETECTING DEVICE AND MULTI-COLOR IMAGE FORMING APPARATUS
- Publication number 20100310284
- Publication date Dec 9, 2010
- Hiroyoshi Funato
- G01 - MEASURING TESTING
Information Patent Application
BEAM-SPOT POSITION COMPENSATION METHOD, OPTICAL SCANNING DEVICE, AN...
- Publication number 20100045766
- Publication date Feb 25, 2010
- Shigeaki Imai
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090231654
- Publication date Sep 17, 2009
- Shigeaki IMAI
- G02 - OPTICS

Shigeaki IMAI

Person

Patents Grantslast 30 patents

Light source device and image projection apparatus

Light guide optical device, light source device, and image projecti...

Light source device and projection device

Image projection apparatus

Light source device, image projection apparatus, and light source o...

Object detector, sensing device, and mobile apparatus

Light beam scanning device, image forming apparatus, and scanning l...

Semiconductor laser driving apparatus, optical scanning apparatus,...

Object detecting device, sensing device, and mobile object device

Object detection device and sensing apparatus

Optical deflector, method for mirror finishing of mirror by cutting...

Optical scanner, object detector, and sensing apparatus

Object detector and sensing apparatus

Optical measurement device and vehicle

Imaging system, print head, image forming apparatus, and image scanner

Object detection apparatus with detection based on reflected light...

Object detector including a light source with light emitting region...

Method of manufacturing print head, print head and image forming ap...

Laser radar device

Imaging system, writing head, and image forming apparatus

Optical scanning device and image forming apparatus

Optical scanning device having a scanning lens with a tilt-decenter...

Method for producing image forming apparatus, method for adjusting...

Optical scanning device and image forming apparatus

Image forming apparatus using exposure unit of print head system

Beam-spot position compensation method, optical scanning device, an...

Velocity detecting device and multi-color image forming apparatus

Exposure device and image forming apparatus, with driving unit sett...

Light source unit, phase type optical element, and laser beam scann...

Optical scanning device, image forming apparatus, and write method

Patents Applicationslast 30 patents

SUBSTRATE, CONTAINER, PRODUCT, PRODUCTION METHOD, AND PRODUCTION AP...

LIGHT GUIDE OPTICAL DEVICE, LIGHT SOURCE DEVICE, AND IMAGE PROJECTI...

LIGHT SOURCE DEVICE AND IMAGE PROJECTION APPARATUS

LIGHT SOURCE DEVICE AND PROJECTION DEVICE

LIGHT SOURCE DEVICE, IMAGE PROJECTION APPARATUS, AND LIGHT SOURCE O...

IMAGE PROJECTION APPARATUS

OBJECT DETECTOR, SENSING DEVICE, AND MOBILE APPARATUS

OPTICAL DEFLECTOR, METHOD FOR MIRROR FINISHING OF MIRROR BY CUTTING...

OBJECT DETECTING DEVICE, SENSING DEVICE, AND MOBILE OBJECT DEVICE

SEMICONDUCTOR LASER DRIVING APPARATUS, OPTICAL SCANNING APPARATUS,...

OPTICAL SCANNER, OBJECT DETECTOR, AND SENSING APPARATUS

OBJECT DETECTOR AND SENSING APPARATUS

OBJECT DETECTION DEVICE AND SENSING APPARATUS

METHOD OF MANUFACTURING PRINT HEAD, PRINT HEAD AND IMAGE FORMING AP...

IMAGING SYSTEM, WRITING HEAD, AND IMAGE FORMING APPARATUS

OBJECT DETECTOR

OPTICAL MEASUREMENT DEVICE AND VEHICLE

OBJECT DETECTION APPARATUS

IMAGING SYSTEM, PRINT HEAD, IMAGE FORMING APPARATUS, AND IMAGE SCANNER

LASER RADAR DEVICE

METHOD FOR PRODUCING IMAGE FORMING APPARATUS, METHOD FOR ADJUSTING...

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

LIGHT BEAM SCANNING DEVICE, IMAGE FORMING APPARATUS, AND SCANNING L...

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

EXPOSURE DEVICE AND IMAGE FORMING APPARATUS

VELOCITY DETECTING DEVICE AND MULTI-COLOR IMAGE FORMING APPARATUS

BEAM-SPOT POSITION COMPENSATION METHOD, OPTICAL SCANNING DEVICE, AN...

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS