Inventor
HIBINO EIKO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “HIBINO EIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
18 patentsUS6790592B2Sep 14, 2004
Phase-change optical information recording medium
RICOH KK23 citations92
US6770346B2Aug 3, 2004
Optical recording medium and recording method
RICOH KK40 citations91
US7507523B2Mar 24, 2009
Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information
RICOH KK14 citations84
US6846611B2Jan 25, 2005
Phase-change optical recording medium
RICOH KK17 citations84
US6884487B2Apr 26, 2005
Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting method
RICOH KK8 citations73
US7773478B2Aug 10, 2010
Optical recording medium, multi-layered optical recording medium, and optical recording method and recording apparatus using the same
RICOH KK2 citations63
US7417930B2Aug 26, 2008
Optical recording method
RICOH KK2 citations63
US7384678B2Jun 10, 2008
Optical recording medium and process for producing the same, sputtering target, using process of optical recording medium, and optical recording apparatus
RICOH KK2 citations63
US7260044B2Aug 21, 2007
Recording method for a phase-change optical recording medium
RICOH KK3 citations63
US7570563B2Aug 4, 2009
Optical recording method of a phase-change optical recording medium having improved recording characteristics and uniformity and optical recording medium and optical recorder used by the method
RICOH KK3 citations62
US7063875B2Jun 20, 2006
Optical recording medium
RICOH KK3 citations62
US6963527B2Nov 8, 2005
Information recording method and optical recording medium therefor
RICOH KK2 citations62
US6958180B2Oct 25, 2005
Phase change optical recording medium
RICOH KK5 citations62
US7626915B2Dec 1, 2009
Phase-change optical recording medium and recording and reproducing method thereof
RICOH KK0 citations52
US7364781B2Apr 29, 2008
Optical recording medium, recording material, method of producing optical recording medium and optical recording, reading and rewriting method
RICOH KK0 citations52
US7362683B2Apr 22, 2008
Optical recording method
RICOH KK0 citations52
US7611762B2Nov 3, 2009
Optical recording medium
RICOH KK0 citations51
US7068591B2Jun 27, 2006
Information recording method and optical recording medium therefor
RICOH KK0 citations51
RICOH CO LTD
6 patentsUS8000198B2Aug 16, 2011
Phase-change type optical recording medium and reproduction method and apparatus for such a recording medium
RICOH CO LTD2 citations63
US7894315B2Feb 22, 2011
Optical disk, recording method, recording medium, and optical disk unit, for recording information on multilayer optical disk
RICOH CO LTD2 citations63
US8017209B2Sep 13, 2011
Optical recording medium
RICOH CO LTD0 citations52
US7848196B2Dec 7, 2010
Power determining method, single-sided multilayer optical disk, recording method, computer program product, computer-readable medium, and optical disk apparatus
RICOH CO LTD1 citations52
US11380884B2Jul 5, 2022
Liquid composition for producing electrode composite material, method for producing electrode, and method for producing electrochemical element
RICOH CO LTD0 citations51
US11527748B2Dec 13, 2022
Electrode, electrode element, electrochemical element, and method for manufacturing electrode
RICOH CO LTD0 citations50