14 Utility Patents
#11,208 in Tokyo
#58,166 in Japan
#270,802 in the World
Forward Citations = 14
Company Filing History:

Nippon Steel Corporation
Nippon Steel & Sumitomo Metal Corporation
4. 2 out of 153
Hitachi-ge Nuclear Energy, Ltd.
5. 2 out of 58,125

where one patent can have more than one assignee
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