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Naomi MATSUMOTO
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Shinjuku-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical element and optical apparatus
Patent number
11,774,649
Issue date
Oct 3, 2023
Hoya Corporation
Toshiki Nakamura
G02 - OPTICS
Information
Patent Grant
Optical element and optical apparatus
Patent number
11,656,456
Issue date
May 23, 2023
Hoya Corporation
Toshiki Nakamura
G02 - OPTICS
Information
Patent Grant
Glass for magnetic recording medium substrate and usage thereof
Patent number
9,007,878
Issue date
Apr 14, 2015
Hoya Corporation
Naomi Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for magnetic recording medium substrate, glass substrate for...
Patent number
8,885,447
Issue date
Nov 11, 2014
Hoya Corporation
Naomi Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical glass, press-molding glass material, optical element and me...
Patent number
8,852,745
Issue date
Oct 7, 2014
Hoya Corporation
Kosuke Yamaguchi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass for magnetic recording medium substrate and usage thereof
Patent number
8,824,248
Issue date
Sep 2, 2014
Hoya Corporation
Naomi Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for magnetic recording medium and its use
Patent number
8,652,660
Issue date
Feb 18, 2014
Hoya Corporation
Hideki Isono
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for magnetic recording medium substrate, magnetic recording m...
Patent number
8,603,653
Issue date
Dec 10, 2013
Hoya Corporation
Naomi Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for magnetic recording medium and magnetic recordin...
Patent number
8,394,516
Issue date
Mar 12, 2013
Hoya Corporation
Naomi Matsumoto
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
GLASS HAVING COLORED LAYER AND METHOD FOR MANUFACTURING SAME
Publication number
20230265006
Publication date
Aug 24, 2023
HOYA CORPORATION
Yoshitake TANNO
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS AND OPTICAL ELEMENT
Publication number
20220250968
Publication date
Aug 11, 2022
HOYA CORPORATION
Koichi SATO
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL ELEMENT AND OPTICAL APPARATUS
Publication number
20210333449
Publication date
Oct 28, 2021
HOYA CORPORATION
Toshiki NAKAMURA
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT AND OPTICAL APPARATUS
Publication number
20210048665
Publication date
Feb 18, 2021
HOYA CORPORATION
Toshiki NAKAMURA
G02 - OPTICS
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE AND USAGE THEREOF
Publication number
20140334276
Publication date
Nov 13, 2014
HOYA CORPORATION
Naomi MATSUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL GLASS, PRESS-MOLDING GLASS MATERIAL, OPTICAL ELEMENT AND ME...
Publication number
20140106174
Publication date
Apr 17, 2014
HOYA CORPORATION
Kosuke YAMAGUCHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE AND USAGE THEREOF
Publication number
20140036644
Publication date
Feb 6, 2014
HOYA CORPORATION
Naomi MATSUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, GLASS SUBSTRATE FOR...
Publication number
20130343166
Publication date
Dec 26, 2013
HOYA CORPORATION
Naomi MATSUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND ITS USE
Publication number
20120188663
Publication date
Jul 26, 2012
HOYA CORPORATION
Hideki ISONO
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDIN...
Publication number
20120107647
Publication date
May 3, 2012
HOYA CORPORATION
Naomi MATSUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
MANUFACTURING METHOD OF GLASS BLANK FOR MAGNETIC RECORDING GLASS SU...
Publication number
20110277508
Publication date
Nov 17, 2011
HOYA CORPORATION
Makoto OSAWA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...
Publication number
20110123832
Publication date
May 26, 2011
HOYA CORPORATION
Naomi Matsumoto
G11 - INFORMATION STORAGE