YK

Yasuo Kumano

TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
Overall (All Time): #3,144,914 of 4,157,543Top 80%
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Patent #TitleCo-InventorsDate
8360705 Can seamer Kei Oohori, Sunao Morishita, Kazuhiro Tokunaga, Koichi Ishizaka 2013-01-29