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Yoshiyuki Yamamoto

Sumitomo Electric Industries: 1 patents #1,404 of 3,885Top 40%
Overall (2003): #85,196 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6641861 Heatsink and fabrication method thereof Hirohisa Saito, Kiichi Meguro, Takahiro Imai 2003-11-04