15 Utility Patents
#464 in Ibaraki
#51,845 in Japan
#237,725 in the World
Forward Citations = 107
Company Filing History:

Hitachi, Ltd.
Tagasangyo, Ltd.
4. 1 out of 1,430

5. 1 out of 1
Ihitachi Taga Technology, Ltd.
where one patent can have more than one assignee
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