MO

Mari Ogawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,772,615 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5422967 Self-routing optical switch and optical switch array Hiroaki Inoue, Hirohisa Sano, Toshio Kirihara, Shinji Nishimura, Koji Ishida 1995-06-06