26 Utility Patents
#5,160 in Tokyo
#24,836 in Japan
#115,492 in the World
Forward Citations = 66
Company Filing History:
Nippon Steel Corporation
Nippon Steel & Sumitomo Metal Corporation

4. 1 out of 1,009
Kabushiki Kaisha Komatsu Seisakusho
where one patent can have more than one assignee
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