HS

Hiromichi Seiki

IC Idemitsu Kosan Co.: 1 patents #13 of 55Top 25%
Overall (1989): #104,216 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832867 Lubricating oil composition Hideo Igarashi 1989-05-23