39 Utility Patents
#91 in Hitachi
#12,518 in Japan
#59,557 in the World
Forward Citations = 437
Company Filing History:

Mitsubishi Hitachi Power Systems, Ltd.
Hitachi Engineering Co., Ltd.
4. 4 out of 832,448 patents
Other
5. 3 out of 1,306

where one patent can have more than one assignee
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