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Matsumoto-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Illuminator and projector
Patent number
11,703,750
Issue date
Jul 18, 2023
Seiko Epson Corporation
Mizuha Hiroki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Wavelength conversion element, illumination device, and projector
Patent number
11,366,377
Issue date
Jun 21, 2022
Seiko Epson Corporation
Koya Shiratori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Wavelength conversion element, light source device, and projector
Patent number
11,336,875
Issue date
May 17, 2022
Seiko Epson Corporation
Shinichi Yotsuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source apparatus and projector
Patent number
10,884,330
Issue date
Jan 5, 2021
Seiko Epson Corporation
Tetsuo Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength conversion element, method for producing wavelength conv...
Patent number
10,859,899
Issue date
Dec 8, 2020
Seiko Epson Corporation
Kunihiko Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device and projector
Patent number
10,824,064
Issue date
Nov 3, 2020
Seiko Epson Corporation
Tetsuo Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Wavelength conversion element, light source device, and projector f...
Patent number
10,520,745
Issue date
Dec 31, 2019
Seiko Epson Corporation
Kunihiko Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source apparatus and projector
Patent number
10,248,013
Issue date
Apr 2, 2019
Seiko Epson Corporation
Tetsuo Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Wavelength conversion element, light source device, and projector
Patent number
10,164,400
Issue date
Dec 25, 2018
Seiko Epson Corporation
Tetsuo Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength conversion element, light source device, and projector
Patent number
10,101,645
Issue date
Oct 16, 2018
Seiko Epson Corporation
Toshiaki Hashizume
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illuminator and projector
Patent number
10,101,647
Issue date
Oct 16, 2018
Seiko Epson Corporation
Kunihiko Takagi
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 element, light source device, and projector
Patent number
9,869,926
Issue date
Jan 16, 2018
Seiko Epson Corporation
Kunihiko Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device and projector
Patent number
9,703,183
Issue date
Jul 11, 2017
Seiko Epson Corporation
Tetsuo Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
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
Light source unit and projector
Patent number
8,395,306
Issue date
Mar 12, 2013
Seiko Epson Corporation
Kaname Nagatani
F21 - LIGHTING
Information
Patent Grant
Projector having cooling duct including flow paths for directing co...
Patent number
8,308,303
Issue date
Nov 13, 2012
Seiko Epson Corporation
Kunihiko Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device and projector
Patent number
8,128,239
Issue date
Mar 6, 2012
Seiko Epson Corporation
Tetsuo Shimizu
F21 - LIGHTING
Information
Patent Grant
Liquid crystal device and manufacturing method thereof
Patent number
6,894,758
Issue date
May 17, 2005
Seiko Epson Corporation
Takeshi Hagiwara
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
ILLUMINATOR AND PROJECTOR
Publication number
20220299854
Publication date
Sep 22, 2022
SEIKO EPSON CORPORATION
Mizuha HIROKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, ILLUMINATION DEVICE, AND PROJECTOR
Publication number
20220299855
Publication date
Sep 22, 2022
SEIKO EPSON CORPORATION
Koya SHIRATORI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, ILLUMINATION DEVICE, AND PROJECTOR
Publication number
20210294192
Publication date
Sep 23, 2021
SEIKO EPSON CORPORATION
Koya SHIRATORI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20210297641
Publication date
Sep 23, 2021
SEIKO EPSON CORPORATION
Shinichi Yotsuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
Publication number
20200064721
Publication date
Feb 27, 2020
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
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 ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20190068936
Publication date
Feb 28, 2019
SEIKO EPSON CORPORATION
Kunihiko TAKAGI
G02 - OPTICS
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, METHOD FOR PRODUCING WAVELENGTH CONV...
Publication number
20190041733
Publication date
Feb 7, 2019
SEIKO EPSON CORPORATION
Kunihiko TAKAGI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20180275496
Publication date
Sep 27, 2018
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ILLUMINATOR AND PROJECTOR
Publication number
20180246400
Publication date
Aug 30, 2018
SEIKO EPSON CORPORATION
Kunihiko TAKAGI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
Publication number
20180239229
Publication date
Aug 23, 2018
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20180090905
Publication date
Mar 29, 2018
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20180052386
Publication date
Feb 22, 2018
SEIKO EPSON CORPORATION
Toshiaki HASHIZUME
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WAVELENGTH CONVERSION DEVICE, LIGHTING DEVICE, AND PROJECTOR
Publication number
20170371234
Publication date
Dec 28, 2017
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
F21 - LIGHTING
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20170227836
Publication date
Aug 10, 2017
SEIKO EPSON CORPORATION
Kunihiko TAKAGI
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
Publication number
20160211648
Publication date
Jul 21, 2016
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
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
LIGHT SOURCE DEVICE AND PROJECTOR
Publication number
20150346594
Publication date
Dec 3, 2015
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
Publication number
20140340652
Publication date
Nov 20, 2014
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PROJECTOR
Publication number
20110025984
Publication date
Feb 3, 2011
SEIKO EPSON CORPORATION
Kunihiko Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL DEVICE AND PROJECTOR
Publication number
20100328621
Publication date
Dec 30, 2010
SEIKO EPSON CORPORATION
Akira Egawa
G02 - OPTICS
Information
Patent Application
LIGHT SOURCE UNIT AND PROJECTOR
Publication number
20100321645
Publication date
Dec 23, 2010
SEIKO EPSON CORPORATION
Kaname NAGATANI
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
Publication number
20100259732
Publication date
Oct 14, 2010
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
F21 - LIGHTING