19 Utility Patents
#141 in Hiroshima, 729-3431
#39,220 in Japan
#181,321 in the World
Forward Citations = 101
Company Filing History:


Nippon Steel & Sumitomo Metal Corporation
4. 2 out of 17
Mitsubishi-hitachi Metals Machinery, Inc.
5. 1 out of 143

where one patent can have more than one assignee
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