Inventor

KOSHIKA YUKIHIRO

JP3 patents

Patents

3 patents

US5431833AJul 11, 1995

Lubricant and magnetic recording medium therewith

SONY CORP21 citations91

US6319325B1Nov 20, 2001

Apparatus for producing thin film, process for producing thin film and guide roller

SONY CORP31 citations88

US5914180AJun 22, 1999

Magnetic recording medium

SONY CORP6 citations60