KO

Kenzu Ogiwara

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,029,272 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4430574 Method for switching operation of water wheel or pump water wheel — 1984-02-07