63 Utility Patents
#23 in Hitachi
#4,714 in Japan
#24,358 in the World
Forward Citations = 1,456
Company Filing History:

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4. 2 out of 152
Hitachi Automotive Engineering Co., Ltd.
5. 1 out of 5
Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd.
where one patent can have more than one assignee
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