5 Utility Patents
#347 in Takatsuki
#162,740 in Japan
#829,335 in the World
Forward Citations = 86
Company Filing History:
Sumitomo Metal Industries, Inc.
Sumitomo Chemical Company, Limited

4. 1 out of 4
Sumitomo Metal Industries Co., Ltd.
5. 1 out of 1
Sumitomo Metal Chemical Co., Ltd.
where one patent can have more than one assignee
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