YT

Yoshishiro Tachi

SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
Overall (All Time): #3,539,260 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6363539 Composite helmet Takao Oota 2002-04-02