JM

Junichiro Migita

OC Onoda Cement Co.: 1 patents #57 of 155Top 40%
Overall (All Time): #3,921,684 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4807530 Expansive demolition agent Shiro Ishii, Hachiro Kubota, Toshiharu Hida 1989-02-28