KS

Koichiro Sumi

SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #2,227,299 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6242852 Electron gun Hirofumi Nakamura, Shigenori Tagami 2001-06-05
4482447 Nonaqueous suspension for electrophoretic deposition of powders Jin Mizuguchi, Tsuneo Muchi, Shinichi Soyama 1984-11-13