7 Utility Patents
#6,565 in Yokohama
#121,731 in Japan
#598,480 in the World
Forward Citations = 6
Company Filing History:

Toyo Seikan Group Holdings, Ltd.

4. 1 out of 107

5. 1 out of 13
Nippon Paint Surf Chemicals Co., Ltd.
where one patent can have more than one assignee
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