32 Utility and 6 Design Patents
#3,801 in Tokyo
#17,655 in Japan
#82,789 in the World
rank by utility patentsForward Citations = 269
Company Filing History:


Mitsubishi Hitachi Power Systems Environmental Solutions, Ltd.
4. 2 out of 430

5. 2 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
where one patent can have more than one assignee
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