P

Inventor

IDO TADASHI

14 patents
⚠️ This page may combine multiple inventors who share the name “IDO TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

7 patents
US5104750AApr 14, 1992

Magnetic recording medium

TOSHIBA KK26 citations92
US4636433AJan 13, 1987

Magnetic powders for magnetic recording media and magnetic recording media employing said magnetic powder therein

TOSHIBA KK31 citations91
US4582623AApr 15, 1986

Barium ferrite magnetic powder and recording medium employing the same

TOSHIBA KK12 citations73
US4699771AOct 13, 1987

Magnetic recording powder, method of manufacturing thereof and application thereof

TOSHIBA KK5 citations72
US4606971AAug 19, 1986

Magnetic recording medium

TOSHIBA KK17 citations71
US5077146ADec 31, 1991

Magnetic recording medium containing a substituted hexagonal ferrite magnetic powder which includes Zr or Hf and which has a temperature coefficient of coercivity not more than 3.5 oersteds/°C.

TOSHIBA KK5 citations61
US4837092AJun 6, 1989

Magnetic recording powder, method of manufacturing thereof and application thereof

TOSHIBA KK1 citations50

TOKYO SHIBAURA ELECTRIC CO

7 patents
US4493874AJan 15, 1985

Production of a magnetic powder having a high dispersibility

TOKYO SHIBAURA ELECTRIC CO35 citations92
US4341648AJul 27, 1982

Method for manufacturing magnetic powder for high density magnetic recording

TOKYO SHIBAURA ELECTRIC CO42 citations92
US4425401AJan 10, 1984

Magnetic recording media

TOKYO SHIBAURA ELECTRIC CO28 citations90
US4569775AFeb 11, 1986

Method for manufacturing a magnetic powder for high density magnetic recording

TOKYO SHIBAURA ELECTRIC CO21 citations81
US4407721AOct 4, 1983

Process for manufacturing powder for magnetic recording medium

TOKYO SHIBAURA ELECTRIC CO22 citations77
US4578313AMar 25, 1986

Powder for magnetic recording media and process for manufacturing the same

TOKYO SHIBAURA ELECTRIC CO17 citations73
US4321155AMar 23, 1982

Piezoelectric oxide material

TOKYO SHIBAURA ELECTRIC CO7 citations71