HK

Hirofumi Kondo

SO Sony: 1 patents #385 of 1,361Top 30%
📍 Ama, JP: #1 of 3 inventorsTop 35%
Overall (1997): #141,690 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5633089 Sorbitan ester lubricant and magnetic recording medium employing the same 1997-05-27