31 Utility Patents
#1,348 in Yokohama
#17,991 in Japan
#82,595 in the World
Forward Citations = 807
Company Filing History:
Hitachi, Ltd.
4. 1 out of 368
5. 1 out of 46
where one patent can have more than one assignee
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#1,348 in Yokohama
#17,991 in Japan
#82,595 in the World
Company Filing History:
Get your Inventor Badge Today