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Shigenori Okamine
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Kodaira, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Three-dimensional recording and reproducing apparatus
Patent number
7,995,082
Issue date
Aug 9, 2011
Hitachi, Ltd.
Hisataka Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Three-dimensional recording and reproducing apparatus
Patent number
7,286,153
Issue date
Oct 23, 2007
Hitachi, Ltd.
Hisataka Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical disk
Patent number
5,654,058
Issue date
Aug 5, 1997
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Three-dimensional recording and reproducing apparatus
Patent number
5,614,938
Issue date
Mar 25, 1997
Hitachi, Ltd.
Hisataka Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Three-dimensional recording and reproducing apparatus
Patent number
5,414,451
Issue date
May 9, 1995
Hitachi, Ltd.
Hisataka Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Wavelength-multiple optical recording medium
Patent number
5,373,491
Issue date
Dec 13, 1994
Hitachi, Ltd.
Motoyasu Terao
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording media, manufacturing method for the same, and...
Patent number
5,368,986
Issue date
Nov 29, 1994
Hitachi, Ltd.
Motoyasu Terao
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary type storage apparatus and control method thereof
Patent number
5,339,319
Issue date
Aug 16, 1994
Hitachi, Ltd.
Yuji Yamane
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical read-out magnetic head
Patent number
4,707,755
Issue date
Nov 17, 1987
Hitachi, Ltd.
Norio Ohta
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
THREE-DIMENSIONAL RECORDING AND REPRODUCING APPARATUS
Publication number
20090075013
Publication date
Mar 19, 2009
Hisataka Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Application
THREE-DIMENSIONAL RECORDING AND REPRODUCING APPARATUS
Publication number
20080012934
Publication date
Jan 17, 2008
Hisataka Sugiyama
G11 - INFORMATION STORAGE