HS

Hirokazu Shirage

MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
📍 Chofu, JP: #304 of 517 inventorsTop 60%
Overall (All Time): #3,721,042 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5651889 Sludge treatment membrane apparatus Sakae Wataya, Kimio Yamamoto, Kouji Irie, Tadaaki Hashimoto 1997-07-29