67 Utility Patents
#7 in Ebina
#4,090 in Japan
#21,649 in the World
Forward Citations = 2,883
Company Filing History:

Hitachi Chubu Software, Ltd.
Hitachi Control Systems, Inc.
4. 2 out of 831,952 patents
Other
5. 2 out of 2
Hitachi Research Institute
where one patent can have more than one assignee
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