43 Utility Patents
#2,354 in Tokyo
#10,477 in Japan
#50,515 in the World
Forward Citations = 47
Company Filing History:
Asahi Kasei Kabushiki Kaisha
Nippon Steel & Sumitomo Metal Corporation

4. 5 out of 3,534
Nippon Steel Corporation
5. 3 out of 929
Sumitomo Metal Industries, Inc.
where one patent can have more than one assignee
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