SI

Sumio Iwashima

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,893,101 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5077685 Method and apparatus for supporting the operation under radioactive rays Toshiaki Yoshinaga, Kouichi Ushiroda, Hiroshi Takano 1991-12-31