SG

Sanho Gon

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,542,446 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6378661 Elevator control system having an immersion proof structure Noboru Arabori, Tadashi Ariki, Kazuo Ookawa, Hiroki Shinozuka, Tomofumi Hagiya 2002-04-30