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Inventor

Hideo Suyama

Inventor
Miyagi, JP

Overview

28→
Patents
1981–1999
Patent span
Physics
Primary field (CPC G)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer59%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
A46BBrushes3%
A61NElectrotherapy3%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general3%
B82YSpecific uses or applications of nanostructures3%
C08LCompositions of macromolecular compounds3%
G01CMeasuring distances, levels or bearings3%
G01DMeasuring not specially adapted for a specific variable3%
G01RMeasuring electric variables3%
PatentTitleYear
5,982,176'Geomagnetic direction sensor'19995,903,076'Vibration actuator for pager'19995,875,078'Magnetoresistance thin film magnetic head having reduced terminal count; and bias characteristics measuring method'19995,867,350'Magneto-resistance effect head with insulated bias conductor embedded in shield groove'19995,734,532'Magneto-resistive effect type magnetic head device'19985,671,105'Magneto-resistive effect thin-film magnetic head'19975,648,886'Magneto-resistance effect type magnetic head device'19975,493,466'Composite thin film recording/reproducing head with MR reproducing head having greater track width than recording head'19965,436,772'Magnetic recording and reproducing apparatus having magneto-resistance effect element'19955,424,890'Magnetoresistance effect type thin film head'19955,272,582'Magneto-resistance effect magnetic head with static electricity protection'19935,270,893'Specific core structure in a magneto-resistance head'19935,247,413'Magnetoresistance effect type thin film magnetic head with noise reducing electrode'19934,944,296'Electronic toothbrush'19904,896,235'Magnetic transducer head utilizing magnetoresistance effect'19904,734,644'Flux cancelling yoke type magnetic transducer head'19884,729,048'Magnetic transducer combination with formatting, data, and servo heads'19884,703,378'Magnetic transducer head utilizing magnetoresistance effect'19874,701,815'Tracking servo system for disc memory'19874,695,908'Thin film type magnetic transducer head'19874,691,259'Magnetic transducer head utilizing magnetoresistance effect'19874,679,107'Magnetic transducer head utilizing magnetoresistance effect'19874,673,999'Multi channel magnetic transducer head'19874,673,998'Magnetic transducer head having series connected magnetroresistance effect sensing element with head output connected between the sensing elements'19874,516,179'Magnetic transducer head utilizing magnetoresistance effect'19854,281,223'Electro-acoustic transducer'19814,276,452'Membrane type electro-acoustic transducer'19814,273,968'Electroacoustic transducer with magnetic flux directed slantly across a diaphragm'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1999Patents assigned to SONY CORP (26)· patent assignee history
1981–1987Based in Yokohama, JP· patent location history
1987–1988Based in Kanagawa, JP· patent location history
1990Patents assigned to SUYAMA HIDEO (1)· patent assignee history
1990–1999Based in Miyagi, JP· patent location history
1990–1999Based in Sendai, JP· patent location history
1995Based in Shinagawa-ku, JP· patent location history
1999Patents assigned to A C E TECH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP261981–1999
A C E TECH CO LTD11999
SUYAMA HIDEOself11990
Locations
LocationPatentsSpan
Miyagi, JP111990–1999
Kanagawa, JP81987–1988
Yokohama, JP51981–1987
Sendai, JP21990–1999
Shinagawa-ku, JP11995