34 Utility Patents
#2 in Ibaraki-ken
#15,468 in Japan
#71,603 in the World
Forward Citations = 267
Company Filing History:


4. 2 out of 9
Hitachi Global Storage Netherlands, B.v.
5. 1 out of 13
Hitachi Video and Information Systems, Inc.
where one patent can have more than one assignee
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