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Hiromu Watanabe
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Disk centering system
Patent number
7,313,800
Issue date
Dec 25, 2007
Sony Corporation
Akihisa Inatani
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc chucking mechanism and disc drive apparatus having the same
Patent number
7,219,360
Issue date
May 15, 2007
Sony Corporation
Yasuo Osada
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording and/or reproducing device for magnetic tape
Patent number
6,466,390
Issue date
Oct 15, 2002
Sony Corporation
Hiromu Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording and/or reproducing apparatus with tilt adjustment mechanism
Patent number
6,426,925
Issue date
Jul 30, 2002
Sony Corporation
Hiromu Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording and/or reproducing apparatus for magnetic tape
Patent number
6,243,227
Issue date
Jun 5, 2001
Sony Corporation
Hiromu Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording and/or reproducing device for magnetic tape
Patent number
6,147,833
Issue date
Nov 14, 2000
Sony Corporation
Hiromu Watanabe
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Disk centering system
Publication number
20050022221
Publication date
Jan 27, 2005
SONY CORPORATION
Akihisa Inatani
G11 - INFORMATION STORAGE
Information
Patent Application
Disc chucking mechanism and disc drive apparatus having the same
Publication number
20050010941
Publication date
Jan 13, 2005
SONY CORPORATION
Yasuo Osada
G11 - INFORMATION STORAGE