Inventor
YOKOI KENYA
JP24 patents
⚠️ This page may combine multiple inventors who share the name “YOKOI KENYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
21 patentsUS6459666B1Oct 1, 2002
Information recording apparatus and method
RICOH KK147 citations99
US5732062AMar 24, 1998
Information recording apparatus, method and computer program product
RICOH KK269 citations99
US6487149B1Nov 26, 2002
Optical recording and reproducing methods for optical disk
RICOH KK88 citations98
US6664526B2Dec 16, 2003
Optical information recording employing improved recording power control scheme
RICOH KK51 citations96
US7006419B2Feb 28, 2006
Information recording device
RICOH KK44 citations92
US6801240B2Oct 5, 2004
Information recording with effective pulse control scheme
RICOH KK37 citations92
US6771577B2Aug 3, 2004
Information recording apparatus and method
RICOH KK25 citations92
US6600712B1Jul 29, 2003
Optical information recording method and apparatus
RICOH KK28 citations92
US6426929B1Jul 30, 2002
Information recording method
RICOH KK44 citations92
US5056896AOct 15, 1991
Liquid crystal display device with dielectric anisotropy
RICOH KK36 citations92
US4984873AJan 15, 1991
Liquid crystal display device
RICOH KK55 citations92
US4818074AApr 4, 1989
Projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom
RICOH KK19 citations81
US6781105B2Aug 24, 2004
Optical information recording employing improved recording power control scheme
RICOH KK8 citations74
US7512050B2Mar 31, 2009
Information recording method, information recording device, and recording medium containing a program, with recording marks formed by emitting light
RICOH KK2 citations63
US7426166B2Sep 16, 2008
Information recording method and information recording apparatus that can achieve uniform signal characteristics and overwriting characteristics over an entire surface of an optical disk medium
RICOH KK2 citations63
US7420901B2Sep 2, 2008
Information recording method, recording optical disc, and information recording/recording/reproducing apparatus
RICOH KK2 citations63
US7388821B2Jun 17, 2008
Information recording device
RICOH KK2 citations63
US7019273B2Mar 28, 2006
Optical information recording employing improved recording power control scheme
RICOH KK4 citations63
US7313075B2Dec 25, 2007
Optical information recording method and apparatus
RICOH KK1 citations52
US7239602B2Jul 3, 2007
Optical information recording medium with a partition wall between an information tracks groove and a preformat pit encoding information therefor
RICOH KK0 citations42
US7751294B2Jul 6, 2010
Information recording method, information recording apparatus, optical disk, program and computer readable recording medium
RICOH KK0 citations38
RICOH CO LTD
3 patentsUS7924676B2Apr 12, 2011
Multilayer information recording medium, information recorder, and information reproducer
RICOH CO LTD4 citations63
US7885155B2Feb 8, 2011
Data readout method, data readout device, and optical disk
RICOH CO LTD1 citations52
US7848201B2Dec 7, 2010
Information recording apparatus that can achieve uniform signal characteristics and overwriting characteristics over an entire surface of an optical disk medium
RICOH CO LTD0 citations52