56 Utility Patents
#38 in Hitachi
#6,072 in Japan
#30,663 in the World
Forward Citations = 425
Company Filing History:



4. 2 out of 3
Acrorad Co., Ltd.
where one patent can have more than one assignee
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#38 in Hitachi
#6,072 in Japan
#30,663 in the World
Company Filing History:



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