YS

Yutaka Sonokawa

NO Nippon Oil: 1 patents #392 of 773Top 55%
Overall (All Time): #3,775,595 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5433937 Process for producing carbon preform Yoshio Sohda, Takefumi Kohno 1995-07-18