YO

Yoshinori Okagata

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,608,484 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6033001 Wheel for rolling stock and manufacturing method thereof Takashi Fujimura 2000-03-07