ZM

Zenji Mashino

CC Chiyoda Chemical Entineering & Constructions Co.: 1 patents #41 of 119Top 35%
Overall (All Time): #4,046,964 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4368060 Gas sparging method Hiroshi Yanagiako, Toshio Kanai, Yoshio Kogawa, Michihiro Yoshida, Shin Shimizu +2 more 1983-01-11