14 Utility Patents
#117 in Otsu
#58,166 in Japan
#270,802 in the World
Forward Citations = 193
Company Filing History:
Sumitomo Special Metals Co., Ltd.
Other
Sumitomo Metal Industries, Inc.
4. 1 out of 2,333

5. 1 out of 1,309

where one patent can have more than one assignee
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