KS

Kazufumi Sumiyama

SC Shimizu Construction Co.: 1 patents #112 of 352Top 35%
Overall (All Time): #3,848,325 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5105595 Mold panel unit and spring-water processing structure using mold panel units Shintaro Tokei, Yoichi Seki, Masao Obata, Akio Shinozaki, Saburo Kozeki 1992-04-21