IO

Isao Ohiwa

SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
Overall (All Time): #2,130,799 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7476096 Screw extruder Takuzo Iwata 2009-01-13
7311505 Apparatus for manufacturing rubber strip Masahiko Ohki 2007-12-25