YH

Yutaka Hirama

HC Hitachi Elevator Engineering And Service Co.: 2 patents #1 of 27Top 4%
📍 Ibaraki, JP: #3,280 of 6,779 inventorsTop 50%
Overall (All Time): #2,324,528 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4935133 Magnetic treater — 1990-06-19
4427940 Electromagnetic inspecting apparatus for magnetizable wire rope Kenzoh Takahashi, Sadayuki Hori 1984-01-24