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Norihisa Nakashima

DK Denki Kagaku Kogyo: 2 patents #165 of 655Top 30%
Overall (All Time): #2,128,324 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7820750 Silica powder and use thereof Shuji Sasaki 2010-10-26
6054073 Method for producing inorganic spherical particles Akira Kobayashi, Susumu Mizutani 2000-04-25