21 Utility Patents
#2,290 in Yokohama
#34,109 in Japan
#157,673 in the World
Forward Citations = 515
Company Filing History:


Hitachi Communication Systems, Inc.
4. 2 out of 7
Hitachi Ome Electronic Co., Ltd.
5. 1 out of 152
Hitachi Automotive Engineering Co., Ltd.
where one patent can have more than one assignee
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