38 Utility and 3 Design Patents
#986 in Yokohama
#13,133 in Japan
#62,393 in the World
rank by utility patentsForward Citations = 77
Company Filing History:
Nippon Steel Corporation

Jsw Aktina System Co., Ltd.
4. 6 out of 2,337
Mitsubishi Chemical Corporation
5. 3 out of 3
Atelier Opa Co. Ltd.
where one patent can have more than one assignee
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