Inventor
KUBO OSAMU
23 patents
⚠️ This page may combine multiple inventors who share the name “KUBO OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
10 patentsUS5104750AApr 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
US5766763AJun 16, 1998
Hexagonal system ferrite powder for a high density magnetic recording medium
TOSHIBA KK8 citations72
US5576114ANov 19, 1996
High density magnetic recording medium containing hexagonal system ferrite powder
TOSHIBA KK6 citations72
US5494749AFeb 27, 1996
Magnetic powder for magnetic recording and magnetic recording medium containing the same
TOSHIBA KK13 citations72
US4606971AAug 19, 1986
Magnetic recording medium
TOSHIBA KK17 citations71
US5686137ANov 11, 1997
Method of providing hexagonal ferrite magnetic powder with enhanced coercive force stability
TOSHIBA KK6 citations61
US5378547AJan 3, 1995
Magnetic powder for magnetic recording and magnetic recording medium containing the same
TOSHIBA KK2 citations61
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
RENESAS TECH CORP
4 patentsUS7091598B2Aug 15, 2006
Electronic circuit device
RENESAS TECH CORP77 citations98
US6989600B2Jan 24, 2006
Integrated circuit device having reduced substrate size and a method for manufacturing the same
RENESAS TECH CORP45 citations92
US7323771B2Jan 29, 2008
Electronic circuit device
RENESAS TECH CORP10 citations84
US7371687B2May 13, 2008
Electronic circuit device
RENESAS TECH CORP3 citations63
TOKYO SHIBAURA ELECTRIC CO
4 patentsUS4493874AJan 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
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