TU

Tohru Umezaki

DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
Overall (All Time): #3,268,125 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8048817 Amorphous silica powder, process for its production, and sealing material for semiconductors Yasuhisa Nishi 2011-11-01