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Yoshiaki Hagiwara
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
One time programmable semiconductor nonvolatile memory device and m...
Patent number
6,800,527
Issue date
Oct 5, 2004
Sony Corporation
Yoshiaki Hagiwara
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium, information reproducing apparatus, information re...
Patent number
6,697,317
Issue date
Feb 24, 2004
Sony Corporation
Yoshiaki Hagiwara
G11 - INFORMATION STORAGE
Information
Patent Grant
One time programmable semiconductor nonvolatile memory device and m...
Patent number
6,583,490
Issue date
Jun 24, 2003
Sony Corporation
Yoshiaki Hagiwara
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium, information reproducing apparatus, information re...
Patent number
6,483,796
Issue date
Nov 19, 2002
Sony Corporation
Yoshiaki Hagiwara
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium, information reproducing apparatus, information re...
Patent number
6,157,610
Issue date
Dec 5, 2000
Sony Corporation
Yoshiaki Hagiwara
G11 - INFORMATION STORAGE
Information
Patent Grant
Solid state imager device
Patent number
4,851,887
Issue date
Jul 25, 1989
Sony Corporation
Yoshiaki Hagiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charge transfer device which has a pair of straight portions joined...
Patent number
4,242,692
Issue date
Dec 30, 1980
Sony Corporation
Yoshiaki Hagiwara
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of making a charge transfer device
Patent number
4,179,793
Issue date
Dec 25, 1979
Sony Corporation
Yoshiaki Hagiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a charge transfer device
Patent number
4,133,099
Issue date
Jan 9, 1979
Sony Corporation
Yoshiaki Hagiwara
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
One time programmable semiconductor nonvolatile memory device and m...
Publication number
20030146467
Publication date
Aug 7, 2003
Yoshiaki Hagiwara
G11 - INFORMATION STORAGE
Information
Patent Application
Recording medium, information reproducing apparatus, information re...
Publication number
20030021213
Publication date
Jan 30, 2003
Yoshiaki Hagiwara
G11 - INFORMATION STORAGE
Information
Patent Application
One time programmable semiconductor nonvolatile memory device and m...
Publication number
20020105050
Publication date
Aug 8, 2002
Yoshiaki Hagiwara
H01 - BASIC ELECTRIC ELEMENTS