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Toyoo Yamada

YC Yamada Co.: 1 patents #7 of 17Top 45%
Overall (All Time): #3,661,345 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5956946 Vehicle exhaust-gas purifier — 1999-09-28