22 Utility Patents
#251 in Hitachi
#31,796 in Japan
#147,301 in the World
Forward Citations = 379
Company Filing History:

Hitachi Process Computer Engineering, Inc.
Hitachi Engineering Co., Ltd.
4. 1 out of 8
Hitachi Information & Control Systems, Inc.
5. 1 out of 1
Arix Computer
where one patent can have more than one assignee
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