9 Utility Patents
#553 in Hitachinaka
#95,429 in Japan
#456,858 in the World
Forward Citations = 99
Company Filing History:

Hitachi Automotive Engineering Co., Ltd.
Other
4. 2 out of 248

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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