TI

Toshihiko Ichihashi

IC Idemitsu Kosan Co.: 1 patents #13 of 55Top 25%
Overall (1989): #49,043 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4853139 Lubricating oil composition having improved temperature characteristics 1989-08-01