KAZUAKI HASHIMOTO

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Glass for magnetic recording medium substrate, magnetic recording m...
- Patent number 12,211,533
- Issue date Jan 28, 2025
- Hoya Corporation
- Koichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass spacer and hard disk drive device
- Patent number 12,183,365
- Issue date Dec 31, 2024
- Hoya Corporation
- Masafumi Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass for magnetic recording medium substrate, magnetic recording m...
- Patent number 12,040,003
- Issue date Jul 16, 2024
- Hoya Corporation
- Koichi Sato
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Glass for magnetic recording medium substrate or for glass spacer t...
- Patent number 11,999,652
- Issue date Jun 4, 2024
- Hoya Corporation
- Koichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass for magnetic recording medium substrate or for glass spacer f...
- Patent number 11,884,584
- Issue date Jan 30, 2024
- Hoya Corporation
- Koichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing glass spacer, glass spacer, and hard disk...
- Patent number 11,869,538
- Issue date Jan 9, 2024
- Hoya Corporation
- Masafumi Miura
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass for magnetic recording medium substrate, magnetic recording m...
- Patent number 11,688,424
- Issue date Jun 27, 2023
- Hoya Corporation
- Koichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass for magnetic recording medium substrate, magnetic recording m...
- Patent number 11,551,714
- Issue date Jan 10, 2023
- Hoya Corporation
- Koichi Sato
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Glass for magnetic recording medium substrate, magnetic recording m...
- Patent number 11,447,414
- Issue date Sep 20, 2022
- Hoya Corporation
- Koichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass for magnetic recording medium substrate, magnetic recording m...
- Patent number 11,081,133
- Issue date Aug 3, 2021
- Hoya Corporation
- Koichi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Cover glass and method for producing cover glass
- Patent number 9,434,644
- Issue date Sep 6, 2016
- AvanStrate Inc.
- Akihiro Koyama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass substrate
- Patent number 9,096,463
- Issue date Aug 4, 2015
- Hoya Corporation
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Cover glass for a mobile device
- Patent number 9,040,147
- Issue date May 26, 2015
- Hoya Corporation
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
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
Method of manufacturing an ion-exchanged glass article
- Patent number 8,919,150
- Issue date Dec 30, 2014
- Hoya Corporation
- Mitsugu Imai
- 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
Cover glass and method for producing same
- Patent number 8,840,997
- Issue date Sep 23, 2014
- AvanStrate Inc.
- Akihiro Koyama
- 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 and method for manufacturing the same
- Patent number 8,813,520
- Issue date Aug 26, 2014
- Hoya Corporation
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass substrate of cover glass for portable electronic device, imag...
- Patent number 8,787,980
- Issue date Jul 22, 2014
- Hoya Corporation
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass substrate and method for manufactring the same
- Patent number 8,642,175
- Issue date Feb 4, 2014
- Hoya Corporation
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of molding a glass composition into an optical element
- Patent number 6,776,007
- Issue date Aug 17, 2004
- Hoya Corporation
- Shin-Ichiro Hirota
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method molding a glass composition into an optical element with red...
- Patent number 6,588,231
- Issue date Jul 8, 2003
- Hoya Corporation
- Shin-Ichiro Hirota
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
WDM optical filter and glass substrate for use in the WDM optical f...
- Patent number 6,465,105
- Issue date Oct 15, 2002
- Hoya Corporation
- Robert W. Johnson
- G02 - OPTICS
Information Patent Grant
Method of producing glass substrate for information recording medium
- Patent number 6,332,338
- Issue date Dec 25, 2001
- Hoya Corporation
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Substrate for information recording medium and method of producing...
- Patent number 6,312,841
- Issue date Nov 6, 2001
- Hoya Corporation
- Takashi Watanabe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of producing a glass optical element capable of suppressing...
- Patent number 6,151,915
- Issue date Nov 28, 2000
- Hoya Precision Inc.
- Shin-Ichiro Hirota
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical glass having a low specific gravity
- Patent number 6,127,297
- Issue date Oct 3, 2000
- Hoya Corporation
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Information recording substrate and information recording medium pr...
- Patent number 5,997,977
- Issue date Dec 7, 1999
- Hoya Corporation
- Xuelu Zou
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass composition moldable into an optical element with reduced pul...
- Patent number 5,919,718
- Issue date Jul 6, 1999
- Hoya Precision Inc.
- Shin-Ichiro Hirota
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...
- Publication number 20240321310
- Publication date Sep 26, 2024
- HOYA CORPORATION
- Koichi SATO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
GLASS PLATE, DISK-SHAPED GLASS, MAGNETIC DISK GLASS SUBSTRATE, AND...
- Publication number 20240290350
- Publication date Aug 29, 2024
- HOYA CORPORATION
- Kazuaki HASHIMOTO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER T...
- Publication number 20240286946
- Publication date Aug 29, 2024
- HOYA CORPORATION
- Koichi SATO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING RING-SHAPED OBJECT, FILM-FORMING DEVICE, RING-...
- Publication number 20240208859
- Publication date Jun 27, 2024
- HOYA CORPORATION
- Masafumi MIURA
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER T...
- Publication number 20240158281
- Publication date May 16, 2024
- HOYA CORPORATION
- Shuzo TOKUMITSU
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER F...
- Publication number 20240124346
- Publication date Apr 18, 2024
- HOYA CORPORATION
- Koichi SATO
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS SPACER AND HARD DISK DRIVE DEVICE
- Publication number 20240071419
- Publication date Feb 29, 2024
- HOYA CORPORATION
- Masafumi MIURA
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...
- Publication number 20230306996
- Publication date Sep 28, 2023
- HOYA CORPORATION
- Koichi SATO
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING GLASS SPACER, GLASS SPACER, AND HARD DISK...
- Publication number 20230223047
- Publication date Jul 13, 2023
- HOYA CORPORATION
- Masafumi MIURA
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER T...
- Publication number 20230192530
- Publication date Jun 22, 2023
- Hoya Corporation
- Koichi SATO
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...
- Publication number 20230103236
- Publication date Mar 30, 2023
- HOYA CORPORATION
- Koichi SATO
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER F...
- Publication number 20220411317
- Publication date Dec 29, 2022
- HOYA CORPORATION
- Koichi SATO
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...
- Publication number 20220277768
- Publication date Sep 1, 2022
- Koichi SATO
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...
- Publication number 20210387896
- Publication date Dec 16, 2021
- HOYA CORPORATION
- Koichi SATO
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...
- Publication number 20210221729
- Publication date Jul 22, 2021
- Koichi SATO
- G11 - INFORMATION STORAGE
Information Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...
- Publication number 20190362754
- Publication date Nov 28, 2019
- HOYA CORPORATION
- Koichi SATO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
COVER GLASS AND METHOD FOR PRODUCING COVER GLASS
- Publication number 20150191394
- Publication date Jul 9, 2015
- AvanStrate Inc.
- Akihiro KOYAMA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Glass Substrate
- Publication number 20140342146
- Publication date Nov 20, 2014
- KAZUAKI HASHIMOTO
- C03 - GLASS MINERAL OR SLAG WOOL
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
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
METHOD FOR MANUFACTURING STRENGTHENED GLASS SUBSTRATE, AND STRENGTH...
- Publication number 20130101798
- Publication date Apr 25, 2013
- HOYA CORPORATION
- Kazuaki HASHIMOTO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD OF MANUFACTURING AN ION-EXCHANGED GLASS ARTICLE
- Publication number 20130061636
- Publication date Mar 14, 2013
- HOYA CORPORATION
- Mitsugu IMAI
- G11 - INFORMATION STORAGE
Information Patent Application
DISPLAY COVER GLASS AND DISPLAY
- Publication number 20130034670
- Publication date Feb 7, 2013
- HOYA CORPORATION
- Kazuaki Hashimoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
GLASS SUBSTRATE OF COVER GLASS FOR PORTABLE ELECTRONIC DEVICE, IMAG...
- Publication number 20120329525
- Publication date Dec 27, 2012
- HOYA CORPORATION
- Kazuaki Hashimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COVER GLASS FOR A MOBILE DEVICE
- Publication number 20120270016
- Publication date Oct 25, 2012
- HOEV COMPANY, LIMITED
- Kazuaki HASHIMOTO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD OF MANUFACTURING A GLASS SUBSTRATE FOR USE AS A COVER GLASS...
- Publication number 20120214004
- Publication date Aug 23, 2012
- HOYA CORPORATION
- Kazuaki HASHIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GLASS SUBSTRATE AND METHOD FOR MANUFACTRING THE SAME
- Publication number 20120208028
- Publication date Aug 16, 2012
- KAZUAKI HASHIMOTO
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
COVER GLASS AND METHOD FOR PRODUCING SAME
- Publication number 20120171497
- Publication date Jul 5, 2012
- HOYA CORPORATION
- Akihiro KOYAMA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
COVER GLASS AND METHOD FOR PRODUCING COVER GLASS
- Publication number 20120083401
- Publication date Apr 5, 2012
- HOYA CORPORATION
- Akihiro KOYAMA
- C03 - GLASS MINERAL OR SLAG WOOL

KAZUAKI HASHIMOTO

Person

Patents Grantslast 30 patents

Glass for magnetic recording medium substrate, magnetic recording m...

Glass spacer and hard disk drive device

Glass for magnetic recording medium substrate, magnetic recording m...

Glass for magnetic recording medium substrate or for glass spacer t...

Glass for magnetic recording medium substrate or for glass spacer f...

Method for manufacturing glass spacer, glass spacer, and hard disk...

Glass for magnetic recording medium substrate, magnetic recording m...

Glass for magnetic recording medium substrate, magnetic recording m...

Glass for magnetic recording medium substrate, magnetic recording m...

Glass for magnetic recording medium substrate, magnetic recording m...

Cover glass and method for producing cover glass

Glass substrate

Cover glass for a mobile device

Glass for magnetic recording medium substrate and usage thereof

Method of manufacturing an ion-exchanged glass article

Glass for magnetic recording medium substrate, glass substrate for...

Cover glass and method for producing same

Glass for magnetic recording medium substrate and usage thereof

Glass substrate and method for manufacturing the same

Glass substrate of cover glass for portable electronic device, imag...

Glass substrate and method for manufactring the same

Method of molding a glass composition into an optical element

Method molding a glass composition into an optical element with red...

WDM optical filter and glass substrate for use in the WDM optical f...

Method of producing glass substrate for information recording medium

Substrate for information recording medium and method of producing...

Method of producing a glass optical element capable of suppressing...

Optical glass having a low specific gravity

Information recording substrate and information recording medium pr...

Glass composition moldable into an optical element with reduced pul...

Patents Applicationslast 30 patents

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...

GLASS PLATE, DISK-SHAPED GLASS, MAGNETIC DISK GLASS SUBSTRATE, AND...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER T...

METHOD FOR PRODUCING RING-SHAPED OBJECT, FILM-FORMING DEVICE, RING-...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER T...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER F...

GLASS SPACER AND HARD DISK DRIVE DEVICE

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...

METHOD FOR MANUFACTURING GLASS SPACER, GLASS SPACER, AND HARD DISK...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER T...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER F...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING M...

COVER GLASS AND METHOD FOR PRODUCING COVER GLASS

Glass Substrate

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE AND USAGE THEREOF

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE AND USAGE THEREOF

GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, GLASS SUBSTRATE FOR...

METHOD FOR MANUFACTURING STRENGTHENED GLASS SUBSTRATE, AND STRENGTH...

METHOD OF MANUFACTURING AN ION-EXCHANGED GLASS ARTICLE

DISPLAY COVER GLASS AND DISPLAY

GLASS SUBSTRATE OF COVER GLASS FOR PORTABLE ELECTRONIC DEVICE, IMAG...

COVER GLASS FOR A MOBILE DEVICE

METHOD OF MANUFACTURING A GLASS SUBSTRATE FOR USE AS A COVER GLASS...

GLASS SUBSTRATE AND METHOD FOR MANUFACTRING THE SAME

COVER GLASS AND METHOD FOR PRODUCING SAME

COVER GLASS AND METHOD FOR PRODUCING COVER GLASS