KN

Keiich Narita

IC Idemitsu Kosan Co.: 1 patents #13 of 46Top 30%
Overall (1997): #119,451 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5672570 Lubricating oil composition for diesel engine and method for lubrication of diesel engine using same Tomomi Miyaji, Masahisa Goto 1997-09-30