7 Utility Patents
#2,789 in Kyoto 615-0031
#119,892 in Japan
#583,182 in the World
Forward Citations = 240
Company Filing History:
Sumitomo Metal Industries, Inc.

Sumitomo Chemical Company, Limited
4. 1 out of 1
Sumitomo Metal Chemical Co., Ltd.
where one patent can have more than one assignee
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