17 Utility Patents
#355 in Hitachi
#45,215 in Japan
#209,916 in the World
Forward Citations = 406
Company Filing History:

Mitsubishi Petrochemical Company Limited
Babcock-hitachi K.k.
4. 3 out of 222
Babcock-hitachi Kabushiki Kaisha
5. 2 out of 152
Hitachi Automotive Engineering Co., Ltd.
where one patent can have more than one assignee
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