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Yoichi Hachitani
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Glass for magnetic recording media substrates, magnetic recording m...
Patent number
9,589,586
Issue date
Mar 7, 2017
Hoya Corporation
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass for use as substrate for information recording medium, substr...
Patent number
9,236,077
Issue date
Jan 12, 2016
Hoya Corporation
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass for magnetic recording media substrates, magnetic recording m...
Patent number
9,016,092
Issue date
Apr 28, 2015
Hoya Corporation
Yoichi Hachitani
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical glass, press-molding glass material, optical element and pr...
Patent number
8,859,444
Issue date
Oct 14, 2014
Hoya Corporation
Kosuke Yamaguchi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass for use as substrate for information recording medium, substr...
Patent number
8,785,011
Issue date
Jul 22, 2014
Hoya Corporation
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for display and display
Patent number
8,741,794
Issue date
Jun 3, 2014
Avanstrate Inc.
Junji Kurachi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Material for information recording medium substrate, information re...
Patent number
8,656,734
Issue date
Feb 25, 2014
Hoya Corporation
Xuelu Zou
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
Optical glass, glass molded body, optical device and their producti...
Patent number
8,575,049
Issue date
Nov 5, 2013
Hoya Corporation
Yuta Kobayashi
C03 - GLASS MINERAL OR SLAG WOOL
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
Information
Patent Grant
Glass substrate for display and display
Patent number
8,383,530
Issue date
Feb 26, 2013
AvanStrate Inc.
Junji Kurachi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass for use in substrate for information recording medium, substr...
Patent number
8,357,459
Issue date
Jan 22, 2013
Hoya Corporation
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical glass, glass molded body, optical device and their producti...
Patent number
8,263,510
Issue date
Sep 11, 2012
Hoya Corporation
Yuta Kobayashi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
On-vehicle camera lens glass material and on-vehicle camera lens
Patent number
8,077,406
Issue date
Dec 13, 2011
Hoya Corporation
Yoichi Hachitani
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Glass for use in substrate for information recording medium, substr...
Patent number
8,076,014
Issue date
Dec 13, 2011
Hoya Corporation
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical glass, optical element and method of manufacturing thereof
Patent number
8,034,733
Issue date
Oct 11, 2011
Hoya Corporation
Yuta Kobayashi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass substrate for display and display
Patent number
7,763,559
Issue date
Jul 27, 2010
Avanstrate Inc.
Junji Kurachi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass for window of semiconductor package, glass window for semicon...
Patent number
7,170,154
Issue date
Jan 30, 2007
Hoya Corporation
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass ceramic
Patent number
6,677,046
Issue date
Jan 13, 2004
Hoya Corporation
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass for cathode-ray tube, strengthened glass, method for the prod...
Patent number
6,607,999
Issue date
Aug 19, 2003
Hoya Corporation
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass material for carrying a photocatalyst, filter device using th...
Patent number
6,468,428
Issue date
Oct 22, 2002
Hoya Corporation
Yoshikazu Nishii
G02 - OPTICS
Information
Patent Grant
Process for the production of spacered substrate for use in self-em...
Patent number
5,997,377
Issue date
Dec 7, 1999
Hoya Corporation
Hiroji Sagara
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIA SUBSTRATES, MAGNETIC RECORDING M...
Publication number
20150262605
Publication date
Sep 17, 2015
HOYA CORPORATION
Yoichi HACHITANI
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS FOR USE AS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTR...
Publication number
20140302346
Publication date
Oct 9, 2014
HOYA CORPORATION
Kazuo TACHIWANA
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS SUBSTRATE FOR DISPLAY AND DISPLAY
Publication number
20140031192
Publication date
Jan 30, 2014
AVANSTRATE, INC.
Junji Kurachi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS FOR USE AS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTR...
Publication number
20120328907
Publication date
Dec 27, 2012
HOYA CORPORATION
Kazuo TACHIWANA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL GLASS, GLASS MOLDED BODY, OPTICAL DEVICE AND THEIR PRODUCTI...
Publication number
20120302424
Publication date
Nov 29, 2012
HOYA CORPORATION
Yuta KOBAYASHI
C03 - GLASS MINERAL OR SLAG WOOL
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
GLASS FOR USE AS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTR...
Publication number
20120021892
Publication date
Jan 26, 2012
HOYA CORPORATION
Kazuo Tachiwana
G11 - INFORMATION STORAGE
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
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIA SUBSTRATES, MAGNETIC RECORDING M...
Publication number
20110086241
Publication date
Apr 14, 2011
HOYA CORPORATION
Yoichi Hachitani
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL GLASS, PRESS-MOLDING GLASS MATERIAL, OPTICAL ELEMENT AND PR...
Publication number
20110077142
Publication date
Mar 31, 2011
HOYA CORPORATION
Kosuke YAMAGUCHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Glass substrate for display and display
Publication number
20100298112
Publication date
Nov 25, 2010
AVANSTRATE INC.
Junji Kurachi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS FOR USE IN SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTR...
Publication number
20100167091
Publication date
Jul 1, 2010
HOYA CORPORATION
Kazuo Tachiwana
G11 - INFORMATION STORAGE
Information
Patent Application
MATERIAL FOR INFORMATION RECORDING MEDIUM SUBSTRATE, INFORMATION RE...
Publication number
20100011814
Publication date
Jan 21, 2010
HOYA CORPORATION
Xuelu Zou
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL GLASS, GLASS MOLDED BODY, OPTICAL DEVICE AND THEIR PRODUCTI...
Publication number
20090176641
Publication date
Jul 9, 2009
Yuta Kobayashi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
ON-VEHICLE CAMERA LENS GLASS MATERIAL AND ON-VEHICLE CAMERA LENS
Publication number
20080231972
Publication date
Sep 25, 2008
HOYA CORPORATION
Yoichi HACHITANI
B60 - VEHICLES IN GENERAL
Information
Patent Application
Glass substrate for display and display
Publication number
20080206494
Publication date
Aug 28, 2008
NH TECHNO GLASS CORPORATION
Junji Kurachi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical glass, optical element and method of manufacturing thereof
Publication number
20070249480
Publication date
Oct 25, 2007
HOYA CORPORATION
Yuta Kobayashi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Lens, near-infrared ray absorption glass lot and manufacturing meth...
Publication number
20070096067
Publication date
May 3, 2007
Hoya Corporation
Xuelu Zou
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Near-infrared-absorbing glass, near-infrared-absorbing element havi...
Publication number
20070051930
Publication date
Mar 8, 2007
HOYA CORPORATION
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Matrix glass for cathode ray tube panel, panel for cathode ray tube...
Publication number
20040242396
Publication date
Dec 2, 2004
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Glass for window of semiconductor package, glass window for semicon...
Publication number
20040212060
Publication date
Oct 28, 2004
HOYA CORPORATION
Yoichi Hachitani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical glass for prism, process for the production thereof, and op...
Publication number
20030147157
Publication date
Aug 7, 2003
Yoichiro Kamimura
G02 - OPTICS
Information
Patent Application
Glass ceramic
Publication number
20030039771
Publication date
Feb 27, 2003
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Glass for cathode-ray tube, strengthened glass, method for the prod...
Publication number
20010049327
Publication date
Dec 6, 2001
Yoichi Hachitani
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Glass panel for cathode ray tube, cathode ray tube employing this g...
Publication number
20010023230
Publication date
Sep 20, 2001
Masataka Santoku
C03 - GLASS MINERAL OR SLAG WOOL