Inventor
HISAGEN YOSHIAKI
10 patents
Patents
10 patentsUS4368239AJan 11, 1983
Magnetic recording medium
SONY CORP40 citations92
US4007313AFeb 8, 1977
Magnetic recording medium
SONY CORP30 citations81
US4172176AOct 23, 1979
Magnetic recording medium
SONY CORP22 citations80
US4047232ASep 6, 1977
Leader tape
SONY CORP21 citations80
US4443490AApr 17, 1984
Magnetic recording medium
SONY CORP14 citations73
US4007314AFeb 8, 1977
Magnetic recording medium with silane lubricant
SONY CORP18 citations73
US4131717ADec 26, 1978
Magnetic recording medium
SONY CORP10 citations72
US3993846ANov 23, 1976
Magnetic recording medium
SONY CORP12 citations71
US6033722AMar 7, 2000
Method for manufacturing electrode
SONY CORP8 citations67
US4156052AMay 22, 1979
Magnetic recording medium
SONY CORP1 citations50