Inventor
HIKOSAKA TAKASHI
JP40 patents
⚠️ This page may combine multiple inventors who share the name “HIKOSAKA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
24 patentsUS5942342AAug 24, 1999
Perpendicular recording medium and magnetic recording apparatus
TOSHIBA KK82 citations96
US5486967AJan 23, 1996
Magnetic disk memory system
TOSHIBA KK68 citations95
US7166376B2Jan 23, 2007
Magnetic recording medium including a high-magnetostriction layer and magnetic recording/reproducing apparatus
TOSHIBA KK23 citations93
US7083870B2Aug 1, 2006
Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatus
TOSHIBA KK22 citations93
US5981054ANov 9, 1999
Magnetic recording medium and method for manufacturing the same
TOSHIBA KK37 citations93
US5830569ANov 3, 1998
Magnetic recording medium containing CoPtO-based alloy magnetic film
TOSHIBA KK26 citations93
US5792564AAug 11, 1998
Perpendicular recording medium and magnetic recording apparatus
TOSHIBA KK34 citations93
US6754020B1Jun 22, 2004
Magnetic recording media and magnetic recording/reproduction apparatuses
TOSHIBA KK41 citations92
US6713197B2Mar 30, 2004
Perpendicular magnetic recording medium and magnetic recording apparatus
TOSHIBA KK30 citations92
US6128166AOct 3, 2000
Magnetic head for increasing track density of a magnetic disk
TOSHIBA KK33 citations92
US7166375B2Jan 23, 2007
Magnetic recording medium utilizing a multi-layered soft magnetic underlayer, method of producing the same and magnetic recording and reproducing device
TOSHIBA KK14 citations84
US6846581B2Jan 25, 2005
Perpendicular magnetic recording medium and magnetic recording-reproducing apparatus using the same
TOSHIBA KK14 citations84
US6670056B2Dec 30, 2003
Perpendicular magnetic recording medium and magnetic read/write apparatus
TOSHIBA KK17 citations84
US6548194B2Apr 15, 2003
Perpendicular magnetic recording medium and a magnetic reproducing apparatus
TOSHIBA KK17 citations84
US6620533B2Sep 16, 2003
Magnetic recording medium
TOSHIBA KK14 citations83
US4762742AAug 9, 1988
Perpendicular magnetic recording medium
TOSHIBA KK18 citations74
US5434014AJul 18, 1995
Magnetic recording medium and method of manufacturing same
TOSHIBA KK7 citations72
US7141315B2Nov 28, 2006
Magnetic recording medium, method of manufacturing the same, and magnetic recording and reproduction apparatus
TOSHIBA KK3 citations63
US7138194B2Nov 21, 2006
Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus
TOSHIBA KK6 citations63
US7056606B2Jun 6, 2006
Magnetic recording medium, method manufacture therefor, and apparatus for magnetic reproducing and reproducing recordings
TOSHIBA KK5 citations63
US5909341AJun 1, 1999
Hard disk drive
TOSHIBA KK4 citations62
US5825596AOct 20, 1998
Hard disk drive
TOSHIBA KK4 citations62
US7033684B2Apr 25, 2006
Magnetic recording medium, method of manufacture thereof, and magnetic read/write apparatus
TOSHIBA KK1 citations52
US6805981B2Oct 19, 2004
Perpendicular magnetic recording medium and perpendicular magnetic recording-reproducing apparatus
TOSHIBA KK0 citations52
SHOWA DENKO KK
10 patentsUS6699600B2Mar 2, 2004
Magnetic recording medium, method of manufacture therefor, and apparatus for magnetic recording and reproducing recordings
SHOWA DENKO KK38 citations93
US6682826B2Jan 27, 2004
Magnetic recording medium, method of manufacturing therefor, and magnetic read/write apparatus
SHOWA DENKO KK40 citations92
US7132176B2Nov 7, 2006
Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus
SHOWA DENKO KK12 citations84
US7105239B2Sep 12, 2006
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same
SHOWA DENKO KK13 citations84
US6723458B2Apr 20, 2004
Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus
SHOWA DENKO KK14 citations84
US7141316B2Nov 28, 2006
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus
SHOWA DENKO KK9 citations74
US6942936B2Sep 13, 2005
Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus
SHOWA DENKO KK11 citations74
US6902835B2Jun 7, 2005
Perpendicular magnetic recording medium and magnetic recording apparatus
SHOWA DENKO KK8 citations74
US7289298B2Oct 30, 2007
Perpendicular magnetic recording medium, method for manufacturing the same, and magnetic recording/reproducing apparatus
SHOWA DENKO KK5 citations63
US7252896B2Aug 7, 2007
Magnetic recording medium and magnetic recording/reproducing apparatus
SHOWA DENKO KK1 citations52
MINOLTA CAMERA KK
5 patentsUS4178092ADec 11, 1979
Electrophotographic copying apparatus with gas evacuating means
MINOLTA CAMERA KK41 citations92
US3997262ADec 14, 1976
Electrophotographic copying apparatus
MINOLTA CAMERA KK52 citations92
US4045135AAug 30, 1977
Electrophotographic copying apparatus with retractable image transfer roller means
MINOLTA CAMERA KK13 citations73
US4235548ANov 25, 1980
Electrostatic latent image transfer type copying apparatus
MINOLTA CAMERA KK4 citations61
US4057339ANov 8, 1977
Electrostatic latent image transfer type copying apparatus
MINOLTA CAMERA KK1 citations49