HM

Hidehiko Matsuya

SI Sanyo Chemical Industries: 1 patents #11 of 31Top 40%
Overall (1997): #141,474 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5622924 Viscosity index improver and lubricating oil Kouzou Sakai, Yoshihisa Ohta 1997-04-22