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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of and apparatus for inspecting a curved shape
Patent number
6,980,291
Issue date
Dec 27, 2005
Asahi Glass Company, Limited
Isao Saito
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic playback apparatus and method
Patent number
5,923,489
Issue date
Jul 13, 1999
Sony Corporation
Isao Saito
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking control which avoids lock-up for rotary head reproducing a...
Patent number
5,412,520
Issue date
May 2, 1995
Sony Corporation
Isao Saito
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking control apparatus of rotary head type recording unit using...
Patent number
5,402,281
Issue date
Mar 28, 1995
Sony Corporation
Naofumi Yanagihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary magnetic type recording apparatus
Patent number
5,276,560
Issue date
Jan 4, 1994
Sony Corporation
Isao Saito
G11 - INFORMATION STORAGE
Information
Patent Grant
Anti-piracy video tape system has anti-piracy components added to t...
Patent number
5,243,411
Issue date
Sep 7, 1993
Sony Corporation
Yoshiki Shirochi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Tracking control devices for video tape recorders
Patent number
4,918,546
Issue date
Apr 17, 1990
Sony Corporation
Isao Saito
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic reproducing apparatus with head positioning circuit
Patent number
4,825,311
Issue date
Apr 25, 1989
Sony Corporation
Isao Saito
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of repairing pipes laid underground
Patent number
4,556,580
Issue date
Dec 3, 1985
Tokyo Gas Co., Ltd.
Takashi Kamuro
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Power conserving motor control circuit for a video tape recorder
Patent number
4,161,002
Issue date
Jul 10, 1979
Sony Corporation
Isao Saito
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Method of and apparatus for inspecting a curved shape
Publication number
20040174540
Publication date
Sep 9, 2004
ASAHI GLASS COMPANY LIMITED
Isao Saito
G01 - MEASURING TESTING