YF

Yukiyoshi Fukano

OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
📍 Izumiotsu, JP: #55 of 87 inventorsTop 65%
Overall (All Time): #3,827,621 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5224449 Lean-burn internal combustion system Susumu Ariga 1993-07-06