7 Utility Patents
#868 in Hitachi
#121,668 in Japan
#597,499 in the World
Forward Citations = 40
Company Filing History:

Hitachi Haramachi Semi-conductor, Ltd.
Hitachi Engineering Co., Ltd.
4. 1 out of 1
Haramachi Semi-hitachi Ltd.
5. 1 out of 1
Hitachi Conductor Ltd.
where one patent can have more than one assignee
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