5 Utility Patents
#10 in Hitachioota
#160,472 in Japan
#808,467 in the World
Forward Citations = 21
Company Filing History:
Hitachi Kyowa Engineering Co., Ltd.
Hitachi Engineering Co., Ltd.
4. 1 out of 830,757 patents
Other
5. 1 out of 18

where one patent can have more than one assignee
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