KA

Keiji Arai

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #107,071 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5287026 Superconducting magnetic levitation apparatus Masahiro Ogihara, Katsuzo Aihara, Masaki Satoh 1994-02-15