21 Utility Patents
#31 in Katsuta
#34,126 in Japan
#157,806 in the World
Forward Citations = 452
Company Filing History:

Mitsubishi Petrochemical Company Limited
Babcock-hitachi K.k.
4. 1 out of 222
Babcock-hitachi Kabushiki Kaisha
5. 1 out of 162
Hitachi Engineering Co., Ltd.
where one patent can have more than one assignee
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