Inventor
IZUMI TOSHIAKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK ELECTRONICS CO LTD
7 patentsUS4520076AMay 28, 1985
Magnetic recording medium
TDK ELECTRONICS CO LTD23 citations81
US4387136AJun 7, 1983
Magnetic recording medium and apparatus for preparing the same
TDK ELECTRONICS CO LTD19 citations81
US4343834AAug 10, 1982
Process for preparing magnetic recording medium
TDK ELECTRONICS CO LTD8 citations73
US4371590AFeb 1, 1983
Magnetic recording medium with stepwise orientation of deposited metallic particles
TDK ELECTRONICS CO LTD17 citations69
US4418126ANov 29, 1983
Magnetic recording medium
TDK ELECTRONICS CO LTD16 citations68
US4588654AMay 13, 1986
Magnetic recording medium
TDK ELECTRONICS CO LTD5 citations61
US4400444AAug 23, 1983
Magnetic recording media and process of producing them
TDK ELECTRONICS CO LTD4 citations61
TDK CORP
4 patentsUS4599266AJul 8, 1986
Magnetic recording medium
TDK CORP28 citations92
US4548864AOct 22, 1985
Magnetic recording medium having an organic metal underlayer
TDK CORP24 citations82
US4816933AMar 28, 1989
Magnetic recording medium of particular coercive force, filling ratio, and protrusions and recording/reproducing method therefor
TDK CORP13 citations71
US4599280AJul 8, 1986
Magnetic recording medium
TDK CORP10 citations71