YI

Youji Ishibashi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
PC Petroleum Energy Center: 1 patents #66 of 180Top 40%
📍 Kumenan, JP: #27 of 46 inventorsTop 60%
Overall (All Time): #3,336,008 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7591983 Heavy oil treating method and heavy oil treating system Hirokazu Takahashi, Shinichi Inage, Nobuyuki Hokari, Masahiko Yamagishi, Akinori Hayashi +1 more 2009-09-22