RO

Rieko Oba

📍 Kokubunji, JP: #513 of 714 inventorsTop 75%
Overall (All Time): #2,991,799 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9290696 Soil improvement agent composition Ken Yamada, Hiroyuki Izumoto, Takaaki Kano, Minako Matoba 2016-03-22