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Akihiro KASHIWAGI
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Shiojiri-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Display method for display system, display method for display appar...
Patent number
11,640,774
Issue date
May 2, 2023
Seiko Epson Corporation
Akihiro Kashiwagi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Illuminator and projection-type display apparatus
Patent number
11,480,860
Issue date
Oct 25, 2022
Seiko Epson Corporation
Hiroaki Miya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of controlling a display system including a plurality of pro...
Patent number
11,343,478
Issue date
May 24, 2022
Seiko Epson Corporation
Akihiro Kashiwagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of controlling display system and control device
Patent number
11,258,996
Issue date
Feb 22, 2022
Seiko Epson Corporation
Akihiro Kashiwagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device and projector
Patent number
10,768,517
Issue date
Sep 8, 2020
Seiko Epson Corporation
Koichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illuminator and projector
Patent number
10,474,022
Issue date
Nov 12, 2019
Seiko Epson Corporation
Akihiro Kashiwagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illumination device and projector
Patent number
9,860,497
Issue date
Jan 2, 2018
Seiko Epson Corporation
Akihiro Kashiwagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illumination device and projector
Patent number
9,500,941
Issue date
Nov 22, 2016
Seiko Epson Corporation
Koichi Akiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illumination device and projector
Patent number
9,300,929
Issue date
Mar 29, 2016
Seiko Epson Corporation
Akihiro Kashiwagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength conversion element, light source device, and projector
Patent number
9,291,313
Issue date
Mar 22, 2016
Seiko Epson Corporation
Akihiro Kashiwagi
F21 - LIGHTING
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
Patents Applications
last 30 patents
Information
Patent Application
PROJECTOR
Publication number
20240152041
Publication date
May 9, 2024
SEIKO EPSON CORPORATION
Tomoya MIZUTANI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONTROL METHOD FOR DISPLAY DEVICE AND DISPLAY DEVICE
Publication number
20230276033
Publication date
Aug 31, 2023
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISPLAY DEVICE AND CONTROL METHOD FOR DISPLAY DEVICE
Publication number
20230269351
Publication date
Aug 24, 2023
SEIKO EPSON CORPORATION
Yasuhiro NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISPLAY METHOD FOR DISPLAY SYSTEM, DISPLAY METHOD FOR DISPLAY APPAR...
Publication number
20230039541
Publication date
Feb 9, 2023
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
METHOD OF CONTROLLING DISPLAY SYSTEM AND CONTROL DEVICE
Publication number
20210136338
Publication date
May 6, 2021
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD OF CONTROLLING DISPLAY SYSTEM AND CONTROL DEVICE
Publication number
20210136339
Publication date
May 6, 2021
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ILLUMINATOR AND PROJECTION-TYPE DISPLAY APPARATUS
Publication number
20200409247
Publication date
Dec 31, 2020
SEIKO EPSON CORPORATION
Hiroaki MIYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ILLUMINATOR AND PROJECTOR
Publication number
20190041738
Publication date
Feb 7, 2019
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
Publication number
20180239228
Publication date
Aug 23, 2018
SEIKO EPSON CORPORATION
Koichi AKIYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ILLUMINATION DEVICE AND PROJECTOR
Publication number
20160241824
Publication date
Aug 18, 2016
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
G02 - OPTICS
Information
Patent Application
ILLUMINATION DEVICE AND PROJECTOR
Publication number
20150301438
Publication date
Oct 22, 2015
SEIKO EPSON CORPORATION
Koichi AKIYAMA
G02 - OPTICS
Information
Patent Application
ILLUMINATION DEVICE AND PROJECTOR
Publication number
20140268067
Publication date
Sep 18, 2014
SEIKO EPSON CORPORATION
Koichi AKIYAMA
G02 - OPTICS
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20130201456
Publication date
Aug 8, 2013
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
F21 - LIGHTING
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20130201458
Publication date
Aug 8, 2013
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
F21 - LIGHTING
Information
Patent Application
ILLUMINATION DEVICE AND PROJECTOR
Publication number
20120188516
Publication date
Jul 26, 2012
SEIKO EPSON CORPORATION
Akihiro KASHIWAGI
H04 - ELECTRIC COMMUNICATION TECHNIQUE