71 Utility and 1 Design Patents
#3 in Naka
#3,587 in Japan
#19,335 in the World
rank by utility patentsForward Citations = 561
Company Filing History:


Other
4. 8 out of 152
Hitachi Automotive Engineering Co., Ltd.
5. 4 out of 2,028

where one patent can have more than one assignee
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