23 Utility Patents
#2,033 in Yokohama
#29,614 in Japan
#137,047 in the World
Forward Citations = 11
Company Filing History:
Toyo Seikan Group Holdings, Ltd.

where one patent can have more than one assignee
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#2,033 in Yokohama
#29,614 in Japan
#137,047 in the World
Company Filing History:

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