KT

Koji Toma

SU Sumco: 1 patents #248 of 464Top 55%
Overall (All Time): #3,404,023 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7311772 Apparatus and method for supplying raw material in Czochralski method Katsunori Nakashima, Manabu Moroishi 2007-12-25