Inventor
OKUYAMA KOJIRO
JP47 patents
⚠️ This page may combine multiple inventors who share the name “OKUYAMA KOJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
19 patentsUS6794796B2Sep 21, 2004
Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US6737816B2May 18, 2004
Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations93
US6583534B1Jun 24, 2003
Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations93
US6433458B2Aug 13, 2002
Method and unit for driving piezoelectric transformer used for controlling luminance of cold-cathode tube
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US6720705B2Apr 13, 2004
Method of driving a piezoelectric transformer and power source apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US6509700B2Jan 21, 2003
Apparatus and method for driving a cathode discharge tube
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US5470808ANov 28, 1995
Dielectric ceramic compositions and dielectric resonators
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations82
US6812623B2Nov 2, 2004
Piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US6514427B2Feb 4, 2003
Piezoelectric ceramic composition and piezoelectric element containing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6118209ASep 12, 2000
Piezoelectric ceramic composition and piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US6458287B1Oct 1, 2002
Piezoelectric ceramic composition and piezoelectric element containing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US5700745ADec 23, 1997
Dielectric ceramic compositions and dielectric resonators
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations73
US5356843AOct 18, 1994
Dielectric ceramic compositions and dielectric resonators
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US6989626B2Jan 24, 2006
Piezoelectric transformer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US6835681B2Dec 28, 2004
Dielectric ceramic composition and dielectric device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6762142B2Jul 13, 2004
Dielectric ceramic and dielectric device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7238303B2Jul 3, 2007
Phosphor and plasma display device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US7285913B2Oct 23, 2007
Plasma display device having blue phosphor layers with alkaline earth metal aluminate containing molybdenum or tungsten
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US7056853B2Jun 6, 2006
Oxide ceramic material, ceramic substrate employing the same, ceramic laminate device, and power amplifier module
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
PANASONIC CORP
13 patentsUS8040063B2Oct 18, 2011
Blue phosphor, light-emitting device, and plasma display panel
PANASONIC CORP7 citations82
US8957575B2Feb 17, 2015
Rare earth aluminum garnet type phosphor and light-emitting device using the same
PANASONIC CORP5 citations73
US10365551B2Jul 30, 2019
Wavelength conversion member including phosphor
PANASONIC CORP2 citations72
US9416313B2Aug 16, 2016
Yellow fluorescent substance, light-emitting device, illumination device, and vehicle
PANASONIC CORP2 citations62
US7902756B2Mar 8, 2011
Phosphor, light-emitting device, and plasma display panel
PANASONIC CORP4 citations62
US9328877B2May 3, 2016
Phosphor, light-emitting device, image pickup device, liquid crystal display device, lighting device, and vehicle
PANASONIC CORP0 citations52
US8836206B2Sep 16, 2014
Plasma display panel and phosphor
PANASONIC CORP0 citations52
US8771548B2Jul 8, 2014
Yttrium—aluminum—garnet-type phosphor
PANASONIC CORP0 citations52
US8624479B2Jan 7, 2014
Plasma display panel
PANASONIC CORP0 citations52
US10385264B2Aug 20, 2019
Phosphor, method of producing same, and light-emitting device
PANASONIC CORP0 citations51
US8366965B2Feb 5, 2013
Blue phosphor, light-emitting device, and plasma display panel
PANASONIC CORP0 citations50
US8361347B2Jan 29, 2013
Blue phosphor, and light-emitting device using the same
PANASONIC CORP1 citations50
US9142733B2Sep 22, 2015
Light source device including a high energy light source and a wavelength conversion member, illuminating device comprising the same, and vehicle
PANASONIC CORP0 citations41
PANASONIC IP MAN CO LTD
8 patentsUS11946606B2Apr 2, 2024
Wavelength conversion member, light source device using same, projector and vehicle
PANASONIC IP MAN CO LTD2 citations72
US11105482B2Aug 31, 2021
Light source device, projector, and vehicle
PANASONIC IP MAN CO LTD0 citations62
US9651207B2May 16, 2017
Oxychloride phosphor, light emitting device, lighting apparatus, and vehicle
PANASONIC IP MAN CO LTD0 citations52
US9644142B2May 9, 2017
Red phosphor material and light-emitting device
PANASONIC IP MAN CO LTD0 citations52
US9523034B2Dec 20, 2016
Phosphor, light-emitting device including said phosphor, projector, head-up display and vehicle including said light-emitting device
PANASONIC IP MAN CO LTD0 citations52
US9518220B2Dec 13, 2016
Red phosphor material and light-emitting device
PANASONIC IP MAN CO LTD0 citations52
US9376617B2Jun 28, 2016
Fluorescent material and light-emitting device
PANASONIC IP MAN CO LTD0 citations52
US9068117B2Jun 30, 2015
Phosphor material and light-emitting device
PANASONIC IP MAN CO LTD0 citations52
OKUYAMA KOJIRO
4 patentsUS8129905B2Mar 6, 2012
Phosphor and light emitting device using the phosphor
OKUYAMA KOJIRO1 citations50
US8652356B2Feb 18, 2014
Blue phosphor, and light-emitting device using the same
OKUYAMA KOJIRO1 citations48
US8410677B2Apr 2, 2013
Blue phosphor, light-emitting device, and plasma display panel
OKUYAMA KOJIRO0 citations48
US8183778B2May 22, 2012
Stoichiometric phosphor, and light emitting device and plasma display panel utilizing the phosphor
OKUYAMA KOJIRO1 citations48