KA

Kazuo Aotsuka

SC Sumitomo Precision Products Co.: 1 patents #1 of 4Top 25%
Overall (1982): #50,370 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4347421 Automatic pipe circumference welding apparatus Mutsuo Mukuda, Masahiro Murakami 1982-08-31