15 Utility Patents
#3,313 in Yokohama
#52,537 in Japan
#243,324 in the World
Forward Citations = 5
Company Filing History:
Toyo Seikan Group Holdings, Ltd.

where one patent can have more than one assignee
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#3,313 in Yokohama
#52,537 in Japan
#243,324 in the World
Company Filing History:

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