57 Utility Patents
#1,404 in Tokyo
#5,977 in Japan
#30,216 in the World
Forward Citations = 116
Company Filing History:
Nippon Steel Corporation
Nippon Steel Sumitomo Metal Corporation

4. 1 out of 82
Aisin Takaoka Co., Ltd.
5. 1 out of 2
Sumitomo Metal Corporation
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