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Atsushi KOYANAGI
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Fukushima, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Homogenizer, illuminating optical system, and illuminator
Patent number
11,378,877
Issue date
Jul 5, 2022
AGC Inc.
Yoshiharu Ooi
G02 - OPTICS
Information
Patent Grant
Optical filter and device using the same
Patent number
10,605,969
Issue date
Mar 31, 2020
AGC Inc.
So Ishido
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ultraviolet-light-emitting device with adhesive having low glass tr...
Patent number
10,246,615
Issue date
Apr 2, 2019
AGC, Inc.
Fumiko Nakayama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Screen for image light projection and display system
Patent number
9,829,782
Issue date
Nov 28, 2017
Asahi Glass Company, Limited
Atsushi Koyanagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Scanning display device and speckle reduction method
Patent number
9,244,289
Issue date
Jan 26, 2016
Asahi Glass Company, Limited
Atsushi Koyanagi
G02 - OPTICS
Information
Patent Grant
Depolarization element and projection type display device
Patent number
8,696,134
Issue date
Apr 15, 2014
Asahi Glass Company, Limited
Masahiro Murakawa
G02 - OPTICS
Information
Patent Grant
Wavelength selecting wavelength plate and optical head device using it
Patent number
8,040,781
Issue date
Oct 18, 2011
Asahi Glass Company, Limited
Yukihiro Tao
G11 - INFORMATION STORAGE
Information
Patent Grant
Wavelength-selective diffraction element and optical head device in...
Patent number
7,755,834
Issue date
Jul 13, 2010
Asahi Glass Company, Limited
Atsushi Koyanagi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FILTER
Publication number
20220206201
Publication date
Jun 30, 2022
AGC Inc.
Yosuke SUGIHARA
G02 - OPTICS
Information
Patent Application
HOMOGENIZER, ILLUMINATING OPTICAL SYSTEM, AND ILLUMINATOR
Publication number
20210003911
Publication date
Jan 7, 2021
AGC Inc.
Yoshiharu OOI (Deceased)
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL FILTER AND DEVICE USING THE SAME
Publication number
20170276846
Publication date
Sep 28, 2017
Asahi Glass Company, Limited
So ISHIDO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SCREEN FOR IMAGE LIGHT PROJECTION AND DISPLAY SYSTEM
Publication number
20170184954
Publication date
Jun 29, 2017
Asahi Glass Company, Limited
Atsushi KOYANAGI
G02 - OPTICS
Information
Patent Application
ADHESIVE FOR ULTRAVIOLET-LIGHT-EMITTING DEVICE, AND ULTRAVIOLET-LIG...
Publication number
20170114253
Publication date
Apr 27, 2017
Asahi Glass Company, Limited
Fumiko NAKAYAMA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SCANNING DISPLAY DEVICE AND SPECKLE REDUCTION METHOD
Publication number
20130242365
Publication date
Sep 19, 2013
Asahi Glass Company, Limited
Atsushi KOYANAGI
G02 - OPTICS
Information
Patent Application
DEPOLARIZATION ELEMENT AND PROJECTION TYPE DISPLAY DEVICE
Publication number
20120236263
Publication date
Sep 20, 2012
Asahi Glass Company, Limited
Masahiro MURAKAWA
G02 - OPTICS
Information
Patent Application
PROJECTION DISPLAY APPARATUS
Publication number
20120147279
Publication date
Jun 14, 2012
Asahi Glass Company, Limited
Atsushi KOYANAGI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROJECTION DISPLAY DEVICE
Publication number
20120075539
Publication date
Mar 29, 2012
Asahi Glass Company, Limited
Teppei KONISHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROJECTION TYPE DISPLAY APPARATUS
Publication number
20120062848
Publication date
Mar 15, 2012
Asahi Glass Company, Limited
Atsushi Koyanagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH SELECTIVE OPTICAL ROTATOR AND OPTICAL HEAD DEVICE
Publication number
20100321627
Publication date
Dec 23, 2010
Asahi Glass Co., LTD.
Atsushi KOYANAGI
G02 - OPTICS
Information
Patent Application
WAVELENGTH SELECTING WAVELENGTH PLATE AND OPTICAL HEAD DEVICE USING IT
Publication number
20090268585
Publication date
Oct 29, 2009
Asahi Glass Company, Limited
Yukihiro TAO
G02 - OPTICS
Information
Patent Application
WAVELENGTH-SELECTIVE DIFFRACTION ELEMENT AND OPTICAL HEAD DEVICE IN...
Publication number
20080316600
Publication date
Dec 25, 2008
Asahi Glass Company, Limited
Atsushi KOYANAGI
G02 - OPTICS
Information
Patent Application
Optical element employing liquid crystal having optical isotropy
Publication number
20060227283
Publication date
Oct 12, 2006
ASAHI GLASS COMPANY LIMITED
Yoshiharu Ooi
G02 - OPTICS