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Fumika Yamada
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Matsumoto-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light source device and projector
Patent number
12,035,078
Issue date
Jul 9, 2024
Seiko Epson Corporation
Fumika Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display apparatus
Patent number
11,592,682
Issue date
Feb 28, 2023
Seiko Epson Corporation
Fumika Yamada
G02 - OPTICS
Information
Patent Grant
Phase modulation element and display device
Patent number
11,317,066
Issue date
Apr 26, 2022
Seiko Epson Corporation
Fumika Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical device and display device
Patent number
11,048,153
Issue date
Jun 29, 2021
Seiko Epson Corporation
Fumika Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Display device
Patent number
11,022,800
Issue date
Jun 1, 2021
Seiko Epson Corporation
Fumika Yamada
G02 - OPTICS
Information
Patent Grant
Display apparatus
Patent number
10,884,244
Issue date
Jan 5, 2021
Seiko Epson Corporation
Fumika Yamada
G02 - OPTICS
Information
Patent Grant
Image display apparatus having a diffraction optical element
Patent number
10,146,056
Issue date
Dec 4, 2018
Seiko Epson Corporation
Fumika Yamada
G02 - OPTICS
Information
Patent Grant
Optical device and image display apparatus
Patent number
10,025,009
Issue date
Jul 17, 2018
Seiko Epson Corporation
Fumika Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical device including diffraction elements for diffracting light...
Patent number
9,568,730
Issue date
Feb 14, 2017
Seiko Epson Corporation
Fumika Yamada
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
ELECTRIC FIELD ENHANCING ELEMENT AND RAMAN SPECTROSCOPIC DEVICE
Publication number
20240328953
Publication date
Oct 3, 2024
SEIKO EPSON CORPORATION
Hayato MATSUKI
G01 - MEASURING TESTING
Information
Patent Application
PHASE MODULATION ELEMENT, PROJECTOR, AND HEAD-MOUNTED DISPLAY
Publication number
20230314847
Publication date
Oct 5, 2023
SEIKO EPSON CORPORATION
Fumika YAMADA
G02 - OPTICS
Information
Patent Application
PROJECTOR
Publication number
20230194758
Publication date
Jun 22, 2023
SEIKO EPSON CORPORATION
Fumika YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
WAVEFRONT CONTROL ELEMENT, LIGHTING DEVICE, AND PROJECTOR
Publication number
20230102400
Publication date
Mar 30, 2023
SEIKO EPSON CORPORATION
Fumika YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
Publication number
20220311978
Publication date
Sep 29, 2022
SEIKO EPSON CORPORATION
Fumika YAMADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISPLAY DEVICE
Publication number
20210247616
Publication date
Aug 12, 2021
SEIKO EPSON CORPORATION
Fumika YAMADA
G02 - OPTICS
Information
Patent Application
PHASE MODULATION ELEMENT AND DISPLAY DEVICE
Publication number
20210099681
Publication date
Apr 1, 2021
SEIKO EPSON CORPORATION
Fumika YAMADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISPLAY APPARATUS
Publication number
20210096386
Publication date
Apr 1, 2021
SEIKO EPSON CORPORATION
Fumika YAMADA
G02 - OPTICS
Information
Patent Application
OPTICAL DEVICE AND DISPLAY DEVICE
Publication number
20200124950
Publication date
Apr 23, 2020
SEIKO EPSON CORPORATION
Fumika YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DISPLAY DEVICE
Publication number
20190094547
Publication date
Mar 28, 2019
SEIKO EPSON CORPORATION
Fumika YAMADA
G02 - OPTICS
Information
Patent Application
DISPLAY APPARATUS
Publication number
20190041650
Publication date
Feb 7, 2019
SEIKO EPSON CORPORATION
Fumika Yamada
G02 - OPTICS
Information
Patent Application
METHOD FOR MANUFACTURING DIFFRACTIVE OPTIC ELEMENT AND IMAGE DISPLA...
Publication number
20160313559
Publication date
Oct 27, 2016
SEIKO EPSON CORPORATION
Fumika YAMADA
G02 - OPTICS
Information
Patent Application
IMAGE DISPLAY APPARATUS AND METHOD OF MANUFACTURING IMAGE DISPLAY A...
Publication number
20160202485
Publication date
Jul 14, 2016
SEIKO EPSON CORPORATION
Fumika YAMADA
G02 - OPTICS
Information
Patent Application
OPTICAL DEVICE, IMAGE PROJECTING APPARATUS, AND ELECTRONIC DEVICE
Publication number
20150277117
Publication date
Oct 1, 2015
SEIKO EPSON CORPORATION
Fumika Yamada
G02 - OPTICS
Information
Patent Application
OPTICAL DEVICE AND IMAGE DISPLAY APPARATUS
Publication number
20150062715
Publication date
Mar 5, 2015
SEIKO EPSON CORPORATION
Fumika Yamada
G02 - OPTICS
Information
Patent Application
Display apparatus
Publication number
20140340749
Publication date
Nov 20, 2014
SEIKO EPSON CORPORATION
Fumika Yamada
G02 - OPTICS
Information
Patent Application
OPTICAL DEVICE AND IMAGE DISPLAY APPARATUS
Publication number
20140204438
Publication date
Jul 24, 2014
SEIKO EPSON CORPORATION
Fumika Yamada
G02 - OPTICS