5 Utility Patents
#152 in Niihama
#162,610 in Japan
#827,581 in the World
Forward Citations = 26
Company Filing History:
Sumitomo Naugatuck Co., Ltd.

Sumitomo Dow Limited
4. 1 out of 1
Sumitomo Naugatick Co., Ltd.
where one patent can have more than one assignee
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