34 Utility and 1 Design Patents
#66 in Atsugi
#16,008 in Japan
#75,174 in the World
rank by utility patentsForward Citations = 186
Company Filing History:


Nippon Kokan Co., Ltd.
4. 1 out of 1,318

5. 1 out of 487
Nippon Kokan Kabushiki Kaisha
where one patent can have more than one assignee
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