Inventor
SUYAMA HIDEO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “SUYAMA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
26 patentsUS4703378AOct 27, 1987
Magnetic transducer head utilizing magnetoresistance effect
SONY CORP52 citations96
US5272582ADec 21, 1993
Magneto-resistance effect magnetic head with static electricity protection
SONY CORP58 citations95
US4691259ASep 1, 1987
Magnetic transducer head utilizing magnetoresistance effect
SONY CORP55 citations95
US4281223AJul 28, 1981
Electro-acoustic transducer
SONY CORP76 citations93
US5247413ASep 21, 1993
Magnetoresistance effect type thin film magnetic head with noise reducing electrode
SONY CORP51 citations92
US4896235AJan 23, 1990
Magnetic transducer head utilizing magnetoresistance effect
SONY CORP49 citations92
US4729048AMar 1, 1988
Magnetic transducer combination with formatting, data, and servo heads
SONY CORP50 citations92
US4701815AOct 20, 1987
Tracking servo system for disc memory
SONY CORP35 citations92
US5982176ANov 9, 1999
Geomagnetic direction sensor
SONY CORP22 citations89
US5867350AFeb 2, 1999
Magneto-resistance effect head with insulated bias conductor embedded in shield groove
SONY CORP22 citations89
US4734644AMar 29, 1988
Flux cancelling yoke type magnetic transducer head
SONY CORP24 citations82
US4679107AJul 7, 1987
Magnetic transducer head utilizing magnetoresistance effect
SONY CORP23 citations82
US4273968AJun 16, 1981
Electroacoustic transducer with magnetic flux directed slantly across a diaphragm
SONY CORP27 citations82
US4276452AJun 30, 1981
Membrane type electro-acoustic transducer
SONY CORP19 citations81
US4673999AJun 16, 1987
Multi channel magnetic transducer head
SONY CORP21 citations79
US5493466AFeb 20, 1996
Composite thin film recording/reproducing head with MR reproducing head having greater track width than recording head
SONY CORP12 citations74
US5424890AJun 13, 1995
Magnetoresistance effect type thin film head
SONY CORP8 citations74
US5734532AMar 31, 1998
Magneto-resistive effect type magnetic head device
SONY CORP9 citations73
US5671105ASep 23, 1997
Magneto-resistive effect thin-film magnetic head
SONY CORP8 citations73
US5648886AJul 15, 1997
Magneto-resistance effect type magnetic head device
SONY CORP10 citations73
US4695908ASep 22, 1987
Thin film type magnetic transducer head
SONY CORP9 citations73
US4673998AJun 16, 1987
Magnetic transducer head having series connected magnetroresistance effect sensing element with head output connected between the sensing elements
SONY CORP16 citations73
US4516179AMay 7, 1985
Magnetic transducer head utilizing magnetoresistance effect
SONY CORP11 citations73
US5270893ADec 14, 1993
Specific core structure in a magneto-resistance head
SONY CORP11 citations72
US5436772AJul 25, 1995
Magnetic recording and reproducing apparatus having magneto-resistance effect element
SONY CORP8 citations68
US5875078AFeb 23, 1999
Magnetoresistance thin film magnetic head having reduced terminal count; and bias characteristics measuring method
SONY CORP4 citations62