Inventor
KAGEYAMA YOSHIYUKI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “KAGEYAMA YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
36 patentsUS6280684B1Aug 28, 2001
Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium
RICOH KK320 citations99
US6548137B2Apr 15, 2003
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK60 citations96
US6319368B1Nov 20, 2001
Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of forming recording layer for the optical recording medium
RICOH KK46 citations96
US6127016AOct 3, 2000
Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium
RICOH KK40 citations96
US6096398AAug 1, 2000
Phase-change optical recording medium
RICOH KK58 citations96
US5785828AJul 28, 1998
Sputtering target for producing optical recording medium
RICOH KK54 citations96
US5761179AJun 2, 1998
Phase-change optical recording method using pulse width modulation technique
RICOH KK54 citations96
US5740149AApr 14, 1998
Phase-change type optical recording and reproducing method
RICOH KK67 citations96
US5736657AApr 7, 1998
Sputtering target
RICOH KK86 citations96
US4707570ANov 17, 1987
Manual information input device
RICOH KK61 citations96
US5620767AApr 15, 1997
Light reflecting and heat dissipating material and optical information recording medium using the same
RICOH KK62 citations95
US6652806B2Nov 25, 2003
Method of producing a sputtering target
RICOH KK14 citations93
US6221557B1Apr 24, 2001
Optical information recording medium
RICOH KK44 citations93
US5095479AMar 10, 1992
Optical information recording medium
RICOH KK51 citations93
US6790592B2Sep 14, 2004
Phase-change optical information recording medium
RICOH KK23 citations92
US6503592B1Jan 7, 2003
Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium
RICOH KK24 citations92
US5882493AMar 16, 1999
Heat treated and sintered sputtering target
RICOH KK25 citations92
US5875160AFeb 23, 1999
Method and device for initializing optical recording medium of phase change type, and optical recording medium
RICOH KK20 citations92
US5646924AJul 8, 1997
Recording and simultaneous verifying method of phase-changing type of information recording medium
RICOH KK54 citations92
US4975338ADec 4, 1990
Thin film electroluminescence device
RICOH KK48 citations92
US6770346B2Aug 3, 2004
Optical recording medium and recording method
RICOH KK40 citations91
US5298305AMar 29, 1994
Phase-change type information recording medium
RICOH KK47 citations91
US5142192AAug 25, 1992
Thin film electroluminescent element
RICOH KK28 citations91
US4914348AApr 3, 1990
Electroluminescence multi-color display device
RICOH KK25 citations91
US7288224B2Oct 30, 2007
Method of producing a sputtering target
RICOH KK8 citations74
US5916730AJun 29, 1999
Optical information recording medium and recording method by use of the recording medium
RICOH KK7 citations74
US4908292AMar 13, 1990
Method of making an electrophotographic inorganic photosensitive element using ultraviolet radiation
RICOH KK9 citations74
US6777057B2Aug 17, 2004
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK6 citations73
US4720436AJan 19, 1988
Electroluminescence devices and method of fabricating the same
RICOH KK17 citations73
US4687723AAug 18, 1987
Electrophotographic photoconductor having a photosensitive layer of amorphous silicon carbonitride
RICOH KK16 citations72
US6963527B2Nov 8, 2005
Information recording method and optical recording medium therefor
RICOH KK2 citations62
US6884488B2Apr 26, 2005
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK2 citations62
US4600672AJul 15, 1986
Electrophotographic element having an amorphous silicon photoconductor
RICOH KK4 citations60
US7366075B2Apr 29, 2008
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK0 citations52
US7102977B2Sep 5, 2006
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK0 citations52
US7068591B2Jun 27, 2006
Information recording method and optical recording medium therefor
RICOH KK0 citations51
NICHIA CORP
5 patentsUS11378259B2Jul 5, 2022
Light-emitting module
NICHIA CORP2 citations71
US11725796B2Aug 15, 2023
Light-emitting module, vehicle lamp, and heat dissipation member
NICHIA CORP0 citations63
US11619368B2Apr 4, 2023
Light-emitting module
NICHIA CORP0 citations60
US12046705B2Jul 23, 2024
Method of manufacturing light source device having a bonding layer with bumps and a bonding member
NICHIA CORP0 citations59
US11677062B2Jun 13, 2023
Method of manufacturing light source device having a bonding layer with bumps and a bonding member
NICHIA CORP0 citations59