Inventor
NAKAMURA NAOMASA
JP67 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA NAOMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
28 patentsUS6554972B1Apr 29, 2003
Information recording medium and its manufacturing method
TOSHIBA KK67 citations96
US6296915B1Oct 2, 2001
Optical recording medium
TOSHIBA KK33 citations93
US5431978AJul 11, 1995
Information recording medium and recording method using the same
TOSHIBA KK28 citations93
US5396480AMar 7, 1995
Method and apparatus for recording information using an energy beam of power levels changed stepwise
TOSHIBA KK39 citations93
US7214416B2May 8, 2007
Phase-change optical recording medium
TOSHIBA KK37 citations92
US5776574AJul 7, 1998
Optical recording medium and optical recording/reproducing apparatus
TOSHIBA KK28 citations92
US6805935B2Oct 19, 2004
Optical recording medium
TOSHIBA KK14 citations83
US7995442B2Aug 9, 2011
Optical recording medium, information recording method, and information reproducing method
TOSHIBA KK2 citations74
US7455951B2Nov 25, 2008
Information recording medium and its manufacturing method
TOSHIBA KK8 citations74
US6944116B2Sep 13, 2005
Optical information recording medium
TOSHIBA KK9 citations74
US6165579ADec 26, 2000
Optical information recording medium and recording/reproduction method
TOSHIBA KK8 citations74
US5431975AJul 11, 1995
Optical recording medium and optical recording/reproducing apparatus
TOSHIBA KK6 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
US7335459B2Feb 26, 2008
Phase-change optical recording medium
TOSHIBA KK7 citations72
US8355306B2Jan 15, 2013
Optical recording medium, information recording method, and information reproducing method
TOSHIBA KK0 citations63
US7869339B2Jan 11, 2011
Multi-layer optical disc, information recording method and information reproducing method
TOSHIBA KK3 citations63
US7864654B2Jan 4, 2011
Optical recording medium, information recording method, and information reproducing method
TOSHIBA KK2 citations63
US7715304B2May 11, 2010
Optical recording medium, information recording method, and information reproducing method
TOSHIBA KK0 citations63
US7294382B2Nov 13, 2007
Phase-change optical recording medium
TOSHIBA KK2 citations63
US7110348B2Sep 19, 2006
Optical information recording medium
TOSHIBA KK4 citations63
US5474826ADec 12, 1995
Optical recording medium and optical recording/reproducing apparatus
TOSHIBA KK4 citations63
US4803660AFeb 7, 1989
Optical recording medium
TOSHIBA KK5 citations63
US7858166B2Dec 28, 2010
Phase change recording medium
TOSHIBA KK4 citations62
US7570566B2Aug 4, 2009
Optical disc, optical disc manufacturing method, and optical disc apparatus
TOSHIBA KK2 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
TAKAZAWA KOJI
19 patentsUS8154971B2Apr 10, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI2 citations74
US8154970B2Apr 10, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI2 citations74
US8149672B2Apr 3, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI2 citations74
US8139459B2Mar 20, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI2 citations74
US8134899B2Mar 13, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI2 citations74
US8339916B2Dec 25, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8264931B2Sep 11, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8184517B2May 22, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8179765B2May 15, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8179764B2May 15, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8174948B2May 8, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8169873B2May 1, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8169874B2May 1, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8169872B2May 1, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8165001B2Apr 24, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8165000B2Apr 24, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8159920B2Apr 17, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8159921B2Apr 17, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
US8149674B2Apr 3, 2012
Optical recording medium, information recording method, and information reproducing method
TAKAZAWA KOJI0 citations63
UMEZAWA KAZUYO
2 patentsMORITA SEIJI
1 patentShowing the top 50 of 67 patents by PatentIndex Score.