21 Utility and 1 Design Patents
#1,818 in Osaka
#34,013 in Japan
#157,258 in the World
rank by utility patentsForward Citations = 46
Company Filing History:

Sumitomo Electric Fine Polymer, Inc.
Sumitomo Electric Wintec, Inc.
4. 2 out of 91
Sumitomo Electric Printed Circuits, Inc.
5. 2 out of 18
Sumitomo (sei) Steel Wire Corp.
where one patent can have more than one assignee
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