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Hideo Suyama
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Geomagnetic direction sensor
Patent number
5,982,176
Issue date
Nov 9, 1999
Sony Corporation
Yoshihisa Kawamura
G01 - MEASURING TESTING
Information
Patent Grant
Magnetoresistance thin film magnetic head having reduced terminal c...
Patent number
5,875,078
Issue date
Feb 23, 1999
Sony Corporation
Hideo Suyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-resistance effect head with insulated bias conductor embedd...
Patent number
5,867,350
Issue date
Feb 2, 1999
Sony Corporation
Shuichi Haga
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-resistive effect type magnetic head device
Patent number
5,734,532
Issue date
Mar 31, 1998
Sony Corporation
Tomio Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-resistive effect thin-film magnetic head
Patent number
5,671,105
Issue date
Sep 23, 1997
Sony Corporation
Nobuhiro Sugawara
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magneto-resistance effect type magnetic head device
Patent number
5,648,886
Issue date
Jul 15, 1997
Sony Corporation
Tomio Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Composite thin film recording/reproducing head with MR reproducing...
Patent number
5,493,466
Issue date
Feb 20, 1996
Sony Corporation
Hideo Suyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording and reproducing apparatus having magneto-resista...
Patent number
5,436,772
Issue date
Jul 25, 1995
Sony Corporation
Tetsuo Sekiya
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistance effect type thin film head
Patent number
5,424,890
Issue date
Jun 13, 1995
Sony Corporation
Hideo Suyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-resistance effect magnetic head with static electricity pro...
Patent number
5,272,582
Issue date
Dec 21, 1993
Sony Corporation
Takuji Shibata
G11 - INFORMATION STORAGE
Information
Patent Grant
Specific core structure in a magneto-resistance head
Patent number
5,270,893
Issue date
Dec 14, 1993
Sony Corporation
Mamoru Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistance effect type thin film magnetic head with noise re...
Patent number
5,247,413
Issue date
Sep 21, 1993
Sony Corporation
Takuji Shibata
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer head utilizing magnetoresistance effect
Patent number
4,896,235
Issue date
Jan 23, 1990
Sony Corporation
Hiroshi Takino
G11 - INFORMATION STORAGE
Information
Patent Grant
Flux cancelling yoke type magnetic transducer head
Patent number
4,734,644
Issue date
Mar 29, 1988
Sony Corporation
Shigeyoshi Imakoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer combination with formatting, data, and servo heads
Patent number
4,729,048
Issue date
Mar 1, 1988
Sony Corporation
Shigeyoshi Imakoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer head utilizing magnetoresistance effect
Patent number
4,703,378
Issue date
Oct 27, 1987
Sony Corporation
Shigeyoshi Imakoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking servo system for disc memory
Patent number
4,701,815
Issue date
Oct 20, 1987
Sony Corporation
Hiroaki Yada
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film type magnetic transducer head
Patent number
4,695,908
Issue date
Sep 22, 1987
Sony Corporation
Shigeyoshi Imakoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer head utilizing magnetoresistance effect
Patent number
4,691,259
Issue date
Sep 1, 1987
Sony Corporation
Shigeyoshi Imakoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer head utilizing magnetoresistance effect
Patent number
4,679,107
Issue date
Jul 7, 1987
Sony Corporation
Shigeyoshi Imakoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi channel magnetic transducer head
Patent number
4,673,999
Issue date
Jun 16, 1987
Sony Corporation
Hideo Suyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer head having series connected magnetroresistance...
Patent number
4,673,998
Issue date
Jun 16, 1987
Sony Corporation
Yutaka Souda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic transducer head utilizing magnetoresistance effect
Patent number
4,516,179
Issue date
May 7, 1985
Sony Corporation
Shigeyoshi Imakoshi
G11 - INFORMATION STORAGE
Information
Patent Grant
Electro-acoustic transducer
Patent number
4,281,223
Issue date
Jul 28, 1981
Sony Corporation
Masana Ugaji
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Membrane type electro-acoustic transducer
Patent number
4,276,452
Issue date
Jun 30, 1981
Sony Corporation
Hideo Suyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electroacoustic transducer with magnetic flux directed slantly acro...
Patent number
4,273,968
Issue date
Jun 16, 1981
Sony Corporation
Hideo Suyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE