OS

Osamu Sadahiro

SC Shimizu Construction Co.: 2 patents #41 of 352Top 15%
Overall (All Time): #2,310,916 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5134821 Trussed structure 1992-08-04
4947599 Trussed girder with pre-tension member therein 1990-08-14