KA

Kazuo Aotsuka

SC Sumitomo Precision Products Co.: 2 patents #43 of 199Top 25%
Overall (All Time): #2,363,474 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4400610 Automatic fillet weld tracing mechanism Masahiro Murakami 1983-08-23
4347421 Automatic pipe circumference welding apparatus Mutsuo Mukuda, Masahiro Murakami 1982-08-31