SM

Satoru Matsui

OC Onoda Cement Co.: 1 patents #57 of 155Top 40%
Overall (All Time): #3,970,341 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4650523 Cement accelerating agent Masatsune Kikuchi, Hiroshi Omori, Masao Shimoda 1987-03-17