KY

Keijiro Yamaoka

MC Mitsui Engineering & Shipbuilding Co.: 2 patents #87 of 496Top 20%
Overall (All Time): #2,347,139 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4576006 Geothermal hot water transportation and utilization system 1986-03-18
4479352 Hot-water storage type power generating unit Hajime Endo 1984-10-30