YK

Yukio Kawaguchi

HC Hitachi Plant Engineering & Construction Co.: 1 patents #53 of 194Top 30%
Overall (All Time): #3,888,767 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5061368 System for treating waste water by nitrification Minoru Tada, Syouji Harada, Syuzo Koike, Tamotsu Mizuguchi, Hiroyoshi Emori +7 more 1991-10-29