Inventor
ASHIDA SUMIO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “ASHIDA SUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
29 patentsUS6554972B1Apr 29, 2003
Information recording medium and its manufacturing method
TOSHIBA KK67 citations96
US6296915B1Oct 2, 2001
Optical recording medium
TOSHIBA KK33 citations93
US7245576B2Jul 17, 2007
Optical recording medium and optical recording-reproducing method
TOSHIBA KK20 citations92
US7214416B2May 8, 2007
Phase-change optical recording medium
TOSHIBA KK37 citations92
US6240060B1May 29, 2001
Phase change optical recording medium
TOSHIBA KK20 citations92
US7883930B2Feb 8, 2011
Phase change memory including a plurality of electrically conductive bodies, and manufacturing method thereof
TOSHIBA KK15 citations84
US6805935B2Oct 19, 2004
Optical recording medium
TOSHIBA KK14 citations83
US7455951B2Nov 25, 2008
Information recording medium and its manufacturing method
TOSHIBA KK8 citations74
US6944116B2Sep 13, 2005
Optical information recording medium
TOSHIBA KK9 citations74
US4839861AJun 13, 1989
Information recording medium rewritable by utilizing two metastable phases of a recording layer and method using the same
TOSHIBA KK16 citations74
US7132147B2Nov 7, 2006
Phase-change optical recording medium
TOSHIBA KK4 citations73
US6842419B2Jan 11, 2005
Optical information recording medium and optical disk drive
TOSHIBA KK7 citations73
US5175714ADec 29, 1992
Method of magneto-optically recording/erasing information and magneto-optical information storage medium including recording and bias layers satisfying certain conditions
TOSHIBA KK14 citations73
US7335459B2Feb 26, 2008
Phase-change optical recording medium
TOSHIBA KK7 citations72
US5412627AMay 2, 1995
A magneto-optical recording system including a recording medium having a reversal preventive layer for preventing a magnetization reversal of a bias layer which is magnetostatically coupled to a recording layer
TOSHIBA KK7 citations70
US7510990B2Mar 31, 2009
Sputtering target, optical thin film and manufacturing method thereof using the sputtering target, and optical recording medium
TOSHIBA KK3 citations63
US7477586B2Jan 13, 2009
Optical disk apparatus for distinguishing recording media including single-layer and double-layer H-L media and L-H medium
TOSHIBA KK4 citations63
US7294382B2Nov 13, 2007
Phase-change optical recording medium
TOSHIBA KK2 citations63
US7110348B2Sep 19, 2006
Optical information recording medium
TOSHIBA KK4 citations63
US7858166B2Dec 28, 2010
Phase change recording medium
TOSHIBA KK4 citations62
US7542404B2Jun 2, 2009
Optical recording media
TOSHIBA KK6 citations62
US7510753B2Mar 31, 2009
Phase-change optical recording media
TOSHIBA KK2 citations62
US7357969B2Apr 15, 2008
Phase-change optical recording medium
TOSHIBA KK6 citations62
US7291375B2Nov 6, 2007
Phase-change optical recording medium
TOSHIBA KK2 citations62
US5105400AApr 14, 1992
Method of magneto-optically recording and erasing information onto a magneto-optical information storage medium
TOSHIBA KK5 citations62
US7767285B2Aug 3, 2010
Phase-change optical recording medium
TOSHIBA KK1 citations52
US7643397B2Jan 5, 2010
Phase-change optical recording media and optical recording-reproducing apparatus
TOSHIBA KK0 citations52
US7011876B2Mar 14, 2006
Optical recording medium
TOSHIBA KK0 citations51
US7736715B2Jun 15, 2010
Optical recording medium, and information recording/playback apparatus and method using the medium
TOSHIBA KK0 citations41