RO

Ryoji Onigata

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
Overall (All Time): #1,968,469 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10138979 Balancer device for an internal combustion engine — 2018-11-27
7637240 Engine balancer — 2009-12-29