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Hirro Takeda — 1 Patent

NONippon Oil: 1 patents #392 of 773Top 55%
Overall (All Time): #4,023,122 of 4,157,543Top 100%
1 Patents All Time

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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4547151 Method of heat-treating particles and apparatus therefor 1985-10-15