Hitachi Global Technologies
Patent Owner
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 06, 2008 most recent publication
Details
- 3 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 78 Total Citation Count
- Mar 04, 1998 Earliest Filing
- 3 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2008/0057,349 High Performance Perpendicular Media for Magnetic Recording with Optimal Exchange Coupling between Grains of the MediaAbandonedSep 06, 06Mar 06, 08[G11B]
6674598 Radial positioning of data to improve hard disk drive reliabilityExpiredMay 14, 01Jan 06, 04[G11B]
6607923 Method of making magnetoresistive read/ inductive write magnetic head assembly fabricated with silicon on hard insulator for improved durability and electrostatic discharge protectionExpiredMar 04, 98Aug 19, 03[H01L]
Top Inventors for This Owner
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