Hideo Kanai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image formation unit and image projection apparatus
- Patent number 10,277,871
- Issue date Apr 30, 2019
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G02 - OPTICS
Information Patent Grant
Light source device, image projector, and method for disposing ligh...
- Patent number 10,036,943
- Issue date Jul 31, 2018
- Ricoh Company, Ltd.
- Takehiro Nishimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 10,012,893
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Holding structure for holding reflecting mirror, projection optical...
- Patent number 9,964,733
- Issue date May 8, 2018
- Ricoh Company, Ltd.
- Tetsuya Fujioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,961,310
- Issue date May 1, 2018
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High resolution image projection apparatus with horizontally actuat...
- Patent number 9,952,486
- Issue date Apr 24, 2018
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection device and image projection method to control an i...
- Patent number 9,864,262
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Tetsuya Fujioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection lens unit, optical engine, and image projecting apparatus
- Patent number 9,829,671
- Issue date Nov 28, 2017
- Ricoh Company, Ltd.
- Satoshi Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,787,956
- Issue date Oct 10, 2017
- Ricoh Company, Ltd.
- Yukimi Nishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illumination optical system, optical engine, and image projection a...
- Patent number 9,778,551
- Issue date Oct 3, 2017
- Ricoh Company, Ltd.
- Satoshi Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling apparatus, image projection apparatus, and electronic device
- Patent number 9,713,282
- Issue date Jul 18, 2017
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device provided with cooler and image projection devic...
- Patent number 9,678,416
- Issue date Jun 13, 2017
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,671,681
- Issue date Jun 6, 2017
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling device, image projection apparatus, and electronic apparatus
- Patent number 9,645,478
- Issue date May 9, 2017
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection optical device and image projection apparatus
- Patent number 9,625,797
- Issue date Apr 18, 2017
- Ricoh Company, Ltd.
- Satoshi Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,618,833
- Issue date Apr 11, 2017
- Ricoh Company, Ltd.
- Yukimi Nishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Duct cover for an image projection apparatus
- Patent number 9,606,426
- Issue date Mar 28, 2017
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling device, cooling structure, image projection device, and ele...
- Patent number 9,541,818
- Issue date Jan 10, 2017
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source housing, light source device, and image projection app...
- Patent number 9,541,821
- Issue date Jan 10, 2017
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus and light source unit
- Patent number 9,537,257
- Issue date Jan 3, 2017
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus and circuit-board retaining structure
- Patent number 9,525,840
- Issue date Dec 20, 2016
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image Projection apparatus
- Patent number 9,436,070
- Issue date Sep 6, 2016
- Ricoh Company, Ltd.
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projection apparatus
- Patent number 9,429,828
- Issue date Aug 30, 2016
- Ricoh Company, Ltd.
- Tetsuya Fujioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lighting unit and image projector
- Patent number 9,423,676
- Issue date Aug 23, 2016
- Ricoh Company, Ltd.
- Satoshi Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cooling structure, image projection apparatus, electronic device, a...
- Patent number 9,423,677
- Issue date Aug 23, 2016
- Ricoh Company, Ltd.
- Akihisa Mikawa
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Image projection device and method of controlling image projection...
- Patent number 9,417,510
- Issue date Aug 16, 2016
- Ricoh Company, Limited
- Hideo Kanai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector with intake ducts provided in a case thereof
- Patent number 9,411,216
- Issue date Aug 9, 2016
- Ricoh Company, Ltd.
- Masamichi Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch mechanism and electronic device
- Patent number 9,390,871
- Issue date Jul 12, 2016
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image projection apparatus
- Patent number 9,348,201
- Issue date May 24, 2016
- Ricoh Company, Ltd.
- Naoyuki Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image projection apparatus
- Patent number 9,329,463
- Issue date May 3, 2016
- Ricoh Company, Ltd.
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION OPTICAL DEVICE, IMAGE PROJECTION APPARATUS, AND ADJUSTER
- Publication number 20180120678
- Publication date May 3, 2018
- RICOH COMPANY, LTD.
- Yasunari MIKUTSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT SOURCE DEVICE, IMAGE PROJECTOR, AND METHOD FOR DISPOSING LIGH...
- Publication number 20180059521
- Publication date Mar 1, 2018
- RICOH COMPANY, LTD.
- Takehiro NISHIMORI
- F21 - LIGHTING
Information Patent Application
IMAGE FORMATION UNIT AND IMAGE PROJECTION APPARATUS
- Publication number 20170244940
- Publication date Aug 24, 2017
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170227835
- Publication date Aug 10, 2017
- RICOH COMPANY, LTD.
- Masamichi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170068152
- Publication date Mar 9, 2017
- Akihisa Mikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170068150
- Publication date Mar 9, 2017
- Takehiro NISHIMORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170068151
- Publication date Mar 9, 2017
- Akihisa Mikawa
- G02 - OPTICS
Information Patent Application
PROJECTION LENS UNIT, OPTICAL ENGINE, AND IMAGE PROJECTING APPARATUS
- Publication number 20170031127
- Publication date Feb 2, 2017
- RICOH COMPANY, LTD.
- Satoshi TSUCHIYA
- G02 - OPTICS
Information Patent Application
HOLDING STRUCTURE FOR HOLDING REFLECTING MIRROR, PROJECTION OPTICAL...
- Publication number 20170031132
- Publication date Feb 2, 2017
- RICOH COMPANY, LTD.
- Tetsuya FUJIOKA
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20170026623
- Publication date Jan 26, 2017
- RICOH COMPANY, LTD.
- Yukimi NISHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ILLUMINATION OPTICAL SYSTEM, OPTICAL ENGINE, AND IMAGE PROJECTION A...
- Publication number 20160377963
- Publication date Dec 29, 2016
- RICOH COMPANY, LTD.
- Satoshi TSUCHIYA
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS, AND LIGHT SOURCE UNIT
- Publication number 20160274444
- Publication date Sep 22, 2016
- Yasunari MIKUTSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20160277716
- Publication date Sep 22, 2016
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G02 - OPTICS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20160195800
- Publication date Jul 7, 2016
- RICOH COMPANY, LTD.
- Masamichi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20160198134
- Publication date Jul 7, 2016
- Akihisa MIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROJECTION DEVICE AND IMAGE PROJECTION METHOD
- Publication number 20160154294
- Publication date Jun 2, 2016
- Tetsuya FUJIOKA
- G02 - OPTICS
Information Patent Application
COOLING DEVICE, COOLING STRUCTURE, IMAGE PROJECTION DEVICE, AND ELE...
- Publication number 20160062219
- Publication date Mar 3, 2016
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COOLING APPARATUS, IMAGE PROJECTION APPARATUS, AND ELECTRONIC DEVICE
- Publication number 20150373873
- Publication date Dec 24, 2015
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT SOURCE DEVICE AND IMAGE PROJECTION DEVICE
- Publication number 20150370153
- Publication date Dec 24, 2015
- RICOH COMPANY, LTD.
- Naoyuki ISHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS AND LIGHT SOURCE UNIT
- Publication number 20150311632
- Publication date Oct 29, 2015
- Naoyuki ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150268541
- Publication date Sep 24, 2015
- Naoyuki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150241763
- Publication date Aug 27, 2015
- Yukimi NISHI
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE HOUSING, LIGHT SOURCE DEVICE, AND IMAGE PROJECTION APP...
- Publication number 20150241047
- Publication date Aug 27, 2015
- RICOH COMPANY, LTD.
- Naoyuki ISHIKAWA
- F21 - LIGHTING
Information Patent Application
Image Projection Apparatus
- Publication number 20150198870
- Publication date Jul 16, 2015
- RICOH COMPANY, LTD.
- Akihisa MIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150192844
- Publication date Jul 9, 2015
- RICOH COMPANY, LTD.
- Masamichi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150192843
- Publication date Jul 9, 2015
- Masamichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150192842
- Publication date Jul 9, 2015
- Tetsuya FUJIOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150185595
- Publication date Jul 2, 2015
- Tetsuya Fujioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROJECTION APPARATUS
- Publication number 20150153637
- Publication date Jun 4, 2015
- Tetsuya FUJIOKA
- G02 - OPTICS
Information Patent Application
PROJECTION OPTICAL DEVICE AND IMAGE PROJECTION APPARATUS
- Publication number 20150138514
- Publication date May 21, 2015
- RICOH COMPANY, LTD.
- Satoshi TSUCHIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hideo Kanai

Person

Patents Grantslast 30 patents

Image formation unit and image projection apparatus

Light source device, image projector, and method for disposing ligh...

Image projection apparatus

Holding structure for holding reflecting mirror, projection optical...

Image projection apparatus

High resolution image projection apparatus with horizontally actuat...

Image projection device and image projection method to control an i...

Projection lens unit, optical engine, and image projecting apparatus

Image projection apparatus

Illumination optical system, optical engine, and image projection a...

Cooling apparatus, image projection apparatus, and electronic device

Light source device provided with cooler and image projection devic...

Image projection apparatus

Cooling device, image projection apparatus, and electronic apparatus

Projection optical device and image projection apparatus

Image projection apparatus

Duct cover for an image projection apparatus

Cooling device, cooling structure, image projection device, and ele...

Light source housing, light source device, and image projection app...

Image projection apparatus and light source unit

Image projection apparatus and circuit-board retaining structure

Image Projection apparatus

Image projection apparatus

Lighting unit and image projector

Cooling structure, image projection apparatus, electronic device, a...

Image projection device and method of controlling image projection...

Projector with intake ducts provided in a case thereof

Switch mechanism and electronic device

Image projection apparatus

Image projection apparatus

Patents Applicationslast 30 patents

PROJECTION OPTICAL DEVICE, IMAGE PROJECTION APPARATUS, AND ADJUSTER

LIGHT SOURCE DEVICE, IMAGE PROJECTOR, AND METHOD FOR DISPOSING LIGH...

IMAGE FORMATION UNIT AND IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

PROJECTION LENS UNIT, OPTICAL ENGINE, AND IMAGE PROJECTING APPARATUS

HOLDING STRUCTURE FOR HOLDING REFLECTING MIRROR, PROJECTION OPTICAL...

IMAGE PROJECTION APPARATUS

ILLUMINATION OPTICAL SYSTEM, OPTICAL ENGINE, AND IMAGE PROJECTION A...

IMAGE PROJECTION APPARATUS, AND LIGHT SOURCE UNIT

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION DEVICE AND IMAGE PROJECTION METHOD

COOLING DEVICE, COOLING STRUCTURE, IMAGE PROJECTION DEVICE, AND ELE...

COOLING APPARATUS, IMAGE PROJECTION APPARATUS, AND ELECTRONIC DEVICE

LIGHT SOURCE DEVICE AND IMAGE PROJECTION DEVICE

IMAGE PROJECTION APPARATUS AND LIGHT SOURCE UNIT

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

LIGHT SOURCE HOUSING, LIGHT SOURCE DEVICE, AND IMAGE PROJECTION APP...

Image Projection Apparatus

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

IMAGE PROJECTION APPARATUS

PROJECTION OPTICAL DEVICE AND IMAGE PROJECTION APPARATUS