7 Utility and 4 Design Patents
#22,243 in Tokyo
#121,602 in Japan
#597,011 in the World
rank by utility patentsForward Citations = 12
Company Filing History:
Nippon Steel Corporation
Nippon Steel & Sumitomo Metal Corporation
Other
4. 1 out of 222
Babcock-hitachi Kabushiki Kaisha
where one patent can have more than one assignee
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