6 Utility Patents
#995 in Hitachi
#134,042 in Japan
#646,329 in the World
Forward Citations = 71
Company Filing History:
Hitachi, Ltd.
Hitachi Appliances, Inc
4. 1 out of 828,785 patents
Other
5. 1 out of 149
Hitachi Powdered Metals Co., Ltd.
where one patent can have more than one assignee
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