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Inventor

Susumu Ebihara

Inventor
Chigasaki, JP

Overview

4→
Patents
1984–1998
Patent span
Physics
Primary field (CPC G)

Patents· 4 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 transducer75%
H03HImpedance networks, e.g. resonant circuits25%
PatentTitleYear
5,825,577'Magnetic disk device for detecting a floating state of a magnetic head'19985,666,334'Storage device capable of using both optical and magnetic disk units for storing information data'19975,247,410'Magnetic disk apparatus using a rotary actuator for magnetic head positioning with reduced vibration'19934,476,411'Rectangular thickness shear quartz crystal oscillator'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to NIHON DEMPA KOGYO CO (1)· patent assignee history
1984Based in Sayama, JP· patent location history
1993–1998Patents assigned to HITACHI LTD (3)· patent assignee history
1993–1998Based in Chigasaki, JP· patent location history
1997Based in Fujisawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD31993–1998
NIHON DEMPA KOGYO CO11984
Locations
LocationPatentsSpan
Chigasaki, JP21993–1998
Fujisawa, JP11997
Sayama, JP11984