41 Utility and 5 Design Patents
#8 in Takatsuki
#11,419 in Japan
#54,731 in the World
rank by utility patentsForward Citations = 218
Company Filing History:
Nippon Steel Corporation
Nippon Steel & Sumitomo Metal Corporation

4. 5 out of 154
Toyoda Iron Works Co., Ltd.
5. 4 out of 220

where one patent can have more than one assignee
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