HM

Hisashi Masumura

SC Shin-Etsu Handotai Co.: 1 patents #20 of 79Top 30%
📍 Futtsu, JP: #2 of 21 inventorsTop 10%
Overall (1997): #141,528 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5667567 Polishing agent used for polishing silicon wafers and polishing method using the same Kiyoshi Suzuki 1997-09-16