HS

Hisashi Souma

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,906,027 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4937155 Sodium-sulphur cell, method of operating same and method of load levelling using the same Hiromi Tokoi, Naohisa Watahiki 1990-06-26