Akira Egawa

Person

Shiojiri-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wavelength conversion device, illumination device, and projector
- Patent number 10,914,453
- Issue date Feb 9, 2021
- Seiko Epson Corporation
- Akira Egawa
- F21 - LIGHTING
Information Patent Grant
Projector
- Patent number 10,863,152
- Issue date Dec 8, 2020
- Seiko Epson Corporation
- Akira Egawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source device and projector
- Patent number 10,795,248
- Issue date Oct 6, 2020
- Seiko Epson Corporation
- Tetsuo Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength conversion element, light source apparatus, and projector
- Patent number 10,705,416
- Issue date Jul 7, 2020
- Seiko Epson Corporation
- Tetsuo Shimizu
- G02 - OPTICS
Information Patent Grant
Wavelength converter, light source apparatus, and projector
- Patent number 10,670,952
- Issue date Jun 2, 2020
- Seiko Epson Corporation
- Tetsuo Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source unit, illuminator, and projector
- Patent number 10,585,343
- Issue date Mar 10, 2020
- Seiko Epson Corporation
- Wataru Yasumatsu
- F21 - LIGHTING
Information Patent Grant
Wavelength conversion device, illumination device and projector
- Patent number 10,451,958
- Issue date Oct 22, 2019
- Seiko Epson Corporation
- Shigekazu Aoki
- F21 - LIGHTING
Information Patent Grant
Rotary cooling device, wavelength conversion device, light diffusin...
- Patent number 10,401,718
- Issue date Sep 3, 2019
- Seiko Epson Corporation
- Akira Egawa
- G02 - OPTICS
Information Patent Grant
Illuminator and projector
- Patent number 10,359,691
- Issue date Jul 23, 2019
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Illumination device and projector
- Patent number 10,355,443
- Issue date Jul 16, 2019
- Seiko Epson Corporation
- Akira Egawa
- G02 - OPTICS
Information Patent Grant
Wavelength conversion device, illumination device, and projector
- Patent number 10,168,605
- Issue date Jan 1, 2019
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength converter, illuminator, and projector
- Patent number 10,136,111
- Issue date Nov 20, 2018
- Seiko Epson Corporation
- Akira Egawa
- G02 - OPTICS
Information Patent Grant
Projector capable of reducing speckle noise
- Patent number 10,025,168
- Issue date Jul 17, 2018
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device and projector
- Patent number 9,983,470
- Issue date May 29, 2018
- Seiko Epson Corporation
- Koichi Akiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source apparatus and projector
- Patent number 9,876,998
- Issue date Jan 23, 2018
- Seiko Epson Corporation
- Kiyoshi Kuroi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength conversion element, light source device, and projector
- Patent number 9,874,741
- Issue date Jan 23, 2018
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength conversion device, illumination device, and projector
- Patent number 9,733,556
- Issue date Aug 15, 2017
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength conversion element, light source device, and projector
- Patent number 9,625,795
- Issue date Apr 18, 2017
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projector
- Patent number 9,618,767
- Issue date Apr 11, 2017
- Seiko Epson Corporation
- Akira Egawa
- G02 - OPTICS
Information Patent Grant
Projector with tilt projection
- Patent number 9,482,936
- Issue date Nov 1, 2016
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Illumination device and projector
- Patent number 9,380,279
- Issue date Jun 28, 2016
- Seiko Epson Corporation
- Junichi Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector having a turbulent flow plate disposed between a light mo...
- Patent number 9,341,929
- Issue date May 17, 2016
- Seiko Epson Corporation
- Norikazu Kadotani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source apparatus and projector
- Patent number 9,310,622
- Issue date Apr 12, 2016
- Seiko Epson Corporation
- Akira Egawa
- F21 - LIGHTING
Information Patent Grant
Projector having base and cover member forming cooling duct for coo...
- Patent number 9,250,502
- Issue date Feb 2, 2016
- Seiko Epson Corporation
- Akira Egawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength conversion element, light source device, and projector
- Patent number 9,206,959
- Issue date Dec 8, 2015
- Seiko Epson Corporation
- Akihiro Kashiwagi
- F21 - LIGHTING
Information Patent Grant
Optical device including frame holding light modulation unit having...
- Patent number 9,016,869
- Issue date Apr 28, 2015
- Seiko Epson Corporation
- Akira Egawa
- G02 - OPTICS
Information Patent Grant
Projector having a turbulent flow plate disposed between a light mo...
- Patent number 9,010,941
- Issue date Apr 21, 2015
- Seiko Epson Corporation
- Norikazu Kadotani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector
- Patent number 8,757,811
- Issue date Jun 24, 2014
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cooling arrangement for projector with optical modulation devices
- Patent number 8,540,374
- Issue date Sep 24, 2013
- Seiko Epson Corporation
- Akira Egawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source unit and projector
- Patent number 8,395,306
- Issue date Mar 12, 2013
- Seiko Epson Corporation
- Kaname Nagatani
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH CONVERTING APPARATUS, LIGHT SOURCE APPARATUS, AND PROJECTOR
- Publication number 20250123546
- Publication date Apr 17, 2025
- SEIKO EPSON CORPORATION
- Norikazu KOMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTOR
- Publication number 20200099902
- Publication date Mar 26, 2020
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20200081334
- Publication date Mar 12, 2020
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT SOURCE DEVICE, PROJECTOR, AND METHOD OF MANUFACTURING LIGHT S...
- Publication number 20190361329
- Publication date Nov 28, 2019
- SEIKO EPSON CORPORATION
- Tetsuo SHIMIZU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE DEVICE, PROJECTOR, AND METHOD OF MANUFACTURING LIGHT S...
- Publication number 20190324360
- Publication date Oct 24, 2019
- SEIKO EPSON CORPORATION
- Tetsuo SHIMIZU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20190324361
- Publication date Oct 24, 2019
- SEIKO EPSON CORPORATION
- Tetsuo SHIMIZU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20190324359
- Publication date Oct 24, 2019
- SEIKO EPSON CORPORATION
- Tetsuo SHIMIZU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WAVELENGTH CONVERTER, LIGHT SOURCE APPARATUS, AND PROJECTOR
- Publication number 20190302592
- Publication date Oct 3, 2019
- SEIKO EPSON CORPORATION
- Tetsuo SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE APPARATUS, AND PROJECTOR
- Publication number 20190302587
- Publication date Oct 3, 2019
- SEIKO EPSON CORPORATION
- Tetsuo SHIMIZU
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE, AND PROJECTOR
- Publication number 20190072243
- Publication date Mar 7, 2019
- SEIKO EPSON CORPORATION
- Akira EGAWA
- F21 - LIGHTING
Information Patent Application
ILLUMINATOR AND PROJECTOR
- Publication number 20180275495
- Publication date Sep 27, 2018
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ILLUMINATION DEVICE AND PROJECTOR
- Publication number 20180166849
- Publication date Jun 14, 2018
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
ROTARY COOLING DEVICE, WAVELENGTH CONVERSION DEVICE, LIGHT DIFFUSIN...
- Publication number 20180095349
- Publication date Apr 5, 2018
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE, AND PROJECTOR
- Publication number 20180031957
- Publication date Feb 1, 2018
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE UNIT, ILLUMINATOR, AND PROJECTOR
- Publication number 20180031959
- Publication date Feb 1, 2018
- SEIKO EPSON CORPORATION
- Wataru YASUMATSU
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
- Publication number 20170353701
- Publication date Dec 7, 2017
- SEIKO EPSON CORPORATION
- Akira EGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE AND PROJECTOR
- Publication number 20170176844
- Publication date Jun 22, 2017
- SEIKO EPSON CORPORATION
- Shigekazu Aoki
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20170168381
- Publication date Jun 15, 2017
- SEIKO EPSON CORPORATION
- Koichi AKIYAMA
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERTER, ILLUMINATOR, AND PROJECTOR
- Publication number 20170099467
- Publication date Apr 6, 2017
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE, AND PROJECTOR
- Publication number 20170010523
- Publication date Jan 12, 2017
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
- Publication number 20160241821
- Publication date Aug 18, 2016
- SEIKO EPSON CORPORATION
- Kiyoshi KUROI
- G02 - OPTICS
Information Patent Application
PROJECTOR
- Publication number 20160223887
- Publication date Aug 4, 2016
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
- Publication number 20160091712
- Publication date Mar 31, 2016
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
- Publication number 20150381953
- Publication date Dec 31, 2015
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
PROJECTOR
- Publication number 20150226976
- Publication date Aug 13, 2015
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
PROJECTOR
- Publication number 20150192845
- Publication date Jul 9, 2015
- SEIKO EPSON CORPORATION
- Norikazu Kadotani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTOR
- Publication number 20150062538
- Publication date Mar 5, 2015
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT, METHOD FOR MANUFACTURING OPTICAL ELEMENT, AND PROJ...
- Publication number 20140254016
- Publication date Sep 11, 2014
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
- Publication number 20140232992
- Publication date Aug 21, 2014
- SEIKO EPSON CORPORATION
- Akira EGAWA
- G02 - OPTICS
Information Patent Application
ILLUMINATION DEVICE AND PROJECTOR
- Publication number 20140232996
- Publication date Aug 21, 2014
- SEIKO EPSON CORPORATION
- Junichi OKAMOTO
- G02 - OPTICS

Akira Egawa

Person

Patents Grantslast 30 patents

Wavelength conversion device, illumination device, and projector

Projector

Light source device and projector

Wavelength conversion element, light source apparatus, and projector

Wavelength converter, light source apparatus, and projector

Light source unit, illuminator, and projector

Wavelength conversion device, illumination device and projector

Rotary cooling device, wavelength conversion device, light diffusin...

Illuminator and projector

Illumination device and projector

Wavelength conversion device, illumination device, and projector

Wavelength converter, illuminator, and projector

Projector capable of reducing speckle noise

Light source device and projector

Light source apparatus and projector

Wavelength conversion element, light source device, and projector

Wavelength conversion device, illumination device, and projector

Wavelength conversion element, light source device, and projector

Projector

Projector with tilt projection

Illumination device and projector

Projector having a turbulent flow plate disposed between a light mo...

Light source apparatus and projector

Projector having base and cover member forming cooling duct for coo...

Wavelength conversion element, light source device, and projector

Optical device including frame holding light modulation unit having...

Projector having a turbulent flow plate disposed between a light mo...

Projector

Cooling arrangement for projector with optical modulation devices

Light source unit and projector

Patents Applicationslast 30 patents

WAVELENGTH CONVERTING APPARATUS, LIGHT SOURCE APPARATUS, AND PROJECTOR

PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

LIGHT SOURCE DEVICE, PROJECTOR, AND METHOD OF MANUFACTURING LIGHT S...

LIGHT SOURCE DEVICE, PROJECTOR, AND METHOD OF MANUFACTURING LIGHT S...

LIGHT SOURCE DEVICE AND PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

WAVELENGTH CONVERTER, LIGHT SOURCE APPARATUS, AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE APPARATUS, AND PROJECTOR

WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE, AND PROJECTOR

ILLUMINATOR AND PROJECTOR

ILLUMINATION DEVICE AND PROJECTOR

ROTARY COOLING DEVICE, WAVELENGTH CONVERSION DEVICE, LIGHT DIFFUSIN...

WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE, AND PROJECTOR

LIGHT SOURCE UNIT, ILLUMINATOR, AND PROJECTOR

LIGHT SOURCE APPARATUS AND PROJECTOR

WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE AND PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

WAVELENGTH CONVERTER, ILLUMINATOR, AND PROJECTOR

WAVELENGTH CONVERSION DEVICE, ILLUMINATION DEVICE, AND PROJECTOR

LIGHT SOURCE APPARATUS AND PROJECTOR

PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR

PROJECTOR

PROJECTOR

PROJECTOR

OPTICAL ELEMENT, METHOD FOR MANUFACTURING OPTICAL ELEMENT, AND PROJ...

LIGHT SOURCE APPARATUS AND PROJECTOR

ILLUMINATION DEVICE AND PROJECTOR