YS

Yutaka Sekido

SC Sango Co.: 2 patents #9 of 90Top 10%
Overall (All Time): #2,210,336 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6347539 Bending method for pipe material 2002-02-19
6012315 Method of manufacturing pipe Yasushi Kuniminato 2000-01-11