Inventor

MATSUZAWA YONEO

3 patents

Patents

3 patents

US4363059ADec 7, 1982

Magnetic tape cassette

TDK ELECTRONICS CO LTD9 citations71

US4304807ADec 8, 1981

Magnetic recording tape

TDK ELECTRONICS CO LTD14 citations71

US4338367AJul 6, 1982

Magnetic recording tape

TDK ELECTRONICS CO LTD4 citations60