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Kazuo Mannami
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Yonezawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for cleaning disk-shape glass substrate and magnetic disk
Patent number
7,691,207
Issue date
Apr 6, 2010
Asahi Glass Company, Limited
Osamu Miyahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Glass substrate for magnetic disk
Patent number
5,900,296
Issue date
May 4, 1999
AG Technology Co., Ltd.
Ichiro Hayashi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for producing a glass substrate for a magnetic disk
Patent number
5,871,654
Issue date
Feb 16, 1999
AG Technology Co., Ltd.
Kazuo Mannami
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for texturing a magnetic disk silicate glass substrate
Patent number
5,087,481
Issue date
Feb 11, 1992
Komag, Inc.
Tu Chen
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISC
Publication number
20090304976
Publication date
Dec 10, 2009
Asahi Glass Company, Limited
Katsuhiro MATSUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
PROCESS FOR PRODUCING GLASS SUBSTRATE FOR MAGNETIC DISK
Publication number
20080017610
Publication date
Jan 24, 2008
Asahi Glass Company, Limited
Kazuo MANNAMI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Method for cleaning disk-shape glass substrate and magnetic disk
Publication number
20070017547
Publication date
Jan 25, 2007
Asahi Glass Company, Limited
Osamu Miyahara
B08 - CLEANING
Information
Patent Application
Glass substrate for magnetic disks and process for its production
Publication number
20050142321
Publication date
Jun 30, 2005
ASAHI GLASS COMPANY, LIMITED
Osamu Miyahara
G11 - INFORMATION STORAGE