Hitachi Global Storage Technologies, Ltd.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7046469 Hard disk driveFeb 15, 02May 16, 06[G11B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7475470 Method for manufacturing a magnetic head for perpendicular recordingExpiredFeb 10, 04Jan 13, 09[G11B]
7159303 Method for manufacturing magnetic head deviceExpiredMar 09, 06Jan 09, 07[G11B]

Top Inventors for This Owner

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