RO

Ryoichi Okamoto

📍 Fukuyama, JP: #197 of 471 inventorsTop 45%
Overall (All Time): #2,109,020 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7972500 Waste water purification apparatus 2011-07-05
6808622 Wastewater purifying apparatus Masayuki Komurasaki, Hirofumi Niki 2004-10-26