AN

Azuma Nakaoka

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,112,199 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4203841 Apparatus for high-efficient microbiological oxidation treatment Norio Shimizu, Youji Odawara, Tetsuo Yamaguchi, Setsuo Saitou, Kazuaki Ichihashi 1980-05-20