Inventor

KAWASE SHIGEKI

JP3 patents

Patents

3 patents

US4645703AFeb 24, 1987

Magnetic recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92

US4540618ASep 10, 1985

Magnetic recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92

US4514451AApr 30, 1985

Polyester substrate for magnetic recording medium having oligomer protrusions thereon

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations81