34 Utility Patents
#124 in Hitachi
#15,968 in Japan
#75,040 in the World
Forward Citations = 522
Company Filing History:

Hitachi Plant Engineering & Construction Co., Ltd.
Babcock-hitachi Kabushiki Kaisha
4. 1 out of 1,640
Hitachi Chemical Company, Ltd.
5. 1 out of 1,037

where one patent can have more than one assignee
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