17 Utility Patents
#8,871 in Tokyo
#45,370 in Japan
#210,841 in the World
Forward Citations = 86
Company Filing History:
Nippon Steel & Sumitomo Metal Corporation
Sds Biotech K.k.
Nippon Steel Corporation
4. 2 out of 151

5. 1 out of 560

where one patent can have more than one assignee
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