Inventor

Haruo Urai

Inventor
Tokyo, JP

Overview

15→
Patents
1995–2007
Patent span
Physics
Primary field (CPC G)

Patents· 15 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 transducer63%
Y10TTechnical subjects covered by former us classification13%
B82YSpecific uses or applications of nanostructures8%
H01FMagnets8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
7,239,482'Thin-film magnetic head and nonmagnetic body filled concave portion formed on a pole layer and magnetic storage apparatus using the same'20077,230,794'Thin-film magnetic head with nonmagnetic body filled concave portion formed on a pole layer and magnetic storage apparatus using the same'20077,054,107'Thin-film magnetic head with nonmagnetic body filled concave portion formed on a pole layer and magnetic storage apparatus using the same'20066,804,088'Thin film magnetic head, manufacturing method thereof and magnetic storage'20046,597,543'Thin-film magnetic head and magnetic storage apparatus using the same'20036,529,352'Magnetoresistive sensing element and magnetic head using the magnetoresistive sensing element'20036,487,042'Thin-film magnetic head and magnetic storage apparatus using the same'20026,452,759'Yoke-type magnetoresistive (MR) head, yoke-type MR composite thin film head, and magnetic storage apparatus'20026,256,177'Giant magnetoresistive sensing element having longitudinally biased free layer with easy axis thereof parallel with signal field'20016,209,192'Thin film magnetic head with magnetically insulating layer for suppressing undershoots, and method of fabricating the same'20016,134,091'Spin-valve magneto-resistive head with horizontal type structure'20005,828,533'Thin film magnetic head with differing saturation magnetic flux density films and spacer between floating surface and coil patterns'19985,761,014'Thin film magnetic head with magnetically insulating layer for suppressing undershoots'19985,736,264'Magnetic core and magnetic head using the same'19985,404,259'Magnetic head having high wear resistance and non-magnetic substrate used in the magnetic head'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2004Patents assigned to NEC CORP (11)· patent assignee history
1995Patents assigned to TOKIN CORP (1)· patent assignee history
1995–2007Based in Tokyo, JP· patent location history
2003–2007Patents assigned to TDK CORP (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP111995–2004
TDK CORP42003–2007
TOKIN CORP11995
Locations
LocationPatentsSpan
Tokyo, JP151995–2007