21 Utility Patents
#2,290 in Yokohama
#34,089 in Japan
#157,531 in the World
Forward Citations = 77
Company Filing History:

Toyo Seikan Group Holdings, Ltd.

4. 3 out of 10,200

5. 2 out of 1,438
Stanley Electric Co., Ltd
where one patent can have more than one assignee
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