Inventor · disambiguated record
Kojiro Okuyama
Also filed as: OKUYAMA KOJIRO
47 granted patents·14 pending applications·241 citations·filing 1993–2021
97Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD24PANASONIC CORP15PANASONIC IP MAN CO LTD10OKUYAMA KOJIRO5INOUE OSAMU4
Top patents by PatentIndex Score
61 records- 0185US11946606B2Wavelength conversion member, light source device using same, projector and vehiclePANASONIC IP MAN CO LTD·Filed 2019·Granted Apr 2, 2024·2 cites·15 claims
- 0285US6720705B2Method of driving a piezoelectric transformer and power source apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 13, 2004·35 cites·21 claims
- 0384US8040063B2Blue phosphor, light-emitting device, and plasma display panelPANASONIC CORP·Filed 2008·Granted Oct 18, 2011·7 cites·7 claims
- 0482US6794796B2Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 21, 2004·22 cites·23 claims
- 0581US8957575B2Rare earth aluminum garnet type phosphor and light-emitting device using the samePANASONIC CORP·Filed 2013·Granted Feb 17, 2015·5 cites·15 claims
- 0680US6433458B2Method and unit for driving piezoelectric transformer used for controlling luminance of cold-cathode tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 13, 2002·24 cites·8 claims
- 0775US6583534B1Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 24, 2003·14 cites·3 claims
- 0874US6737816B2Piezoelectric transformer, piezoelectric transformer drive circuit, piezoelectric transformer drive method and cold cathode tube drive apparatus using piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 18, 2004·14 cites·2 claims
- 0973US10365551B2Wavelength conversion member including phosphorPANASONIC CORP·Filed 2017·Granted Jul 30, 2019·2 cites·18 claims
- 1073US7902756B2Phosphor, light-emitting device, and plasma display panelPANASONIC CORP·Filed 2007·Granted Mar 8, 2011·4 cites·18 claims
- 1171US6514427B2Piezoelectric ceramic composition and piezoelectric element containing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Feb 4, 2003·10 cites·19 claims
- 1270US9416313B2Yellow fluorescent substance, light-emitting device, illumination device, and vehiclePANASONIC CORP·Filed 2014·Granted Aug 16, 2016·2 cites·14 claims
- 1369US6812623B2Piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 2, 2004·11 cites·6 claims
- 1465US8361347B2Blue phosphor, and light-emitting device using the samePANASONIC CORP·Filed 2009·Granted Jan 29, 2013·1 cites·8 claims
- 1564US6458287B1Piezoelectric ceramic composition and piezoelectric element containing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 1, 2002·6 cites·7 claims
- 1663US8652356B2Blue phosphor, and light-emitting device using the sameOKUYAMA KOJIRO·Filed 2009·Granted Feb 18, 2014·1 cites·8 claims
- 1761US8183778B2Stoichiometric phosphor, and light emitting device and plasma display panel utilizing the phosphorOKUYAMA KOJIRO·Filed 2010·Granted May 22, 2012·1 cites·5 claims
- 1861US8129905B2Phosphor and light emitting device using the phosphorOKUYAMA KOJIRO·Filed 2007·Granted Mar 6, 2012·1 cites·4 claims
- 1959US5700745ADielectric ceramic compositions and dielectric resonatorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Dec 23, 1997·17 cites·9 claims
- 2058US11105482B2Light source device, projector, and vehiclePANASONIC IP MAN CO LTD·Filed 2021·Granted Aug 31, 2021·0 cites·8 claims
- 2158US8836206B2Plasma display panel and phosphorPANASONIC CORP·Filed 2013·Granted Sep 16, 2014·0 cites·3 claims
- 2258US6835681B2Dielectric ceramic composition and dielectric deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 28, 2004·3 cites·8 claims
- 2358US6509700B2Apparatus and method for driving a cathode discharge tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 21, 2003·13 cites·41 claims
- 2458US5470808ADielectric ceramic compositions and dielectric resonatorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 28, 1995·15 cites·5 claims
- 2557US9328877B2Phosphor, light-emitting device, image pickup device, liquid crystal display device, lighting device, and vehiclePANASONIC CORP·Filed 2014·Granted May 3, 2016·0 cites·16 claims
- 2657US7238303B2Phosphor and plasma display deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 3, 2007·3 cites·20 claims
- 2756US9651207B2Oxychloride phosphor, light emitting device, lighting apparatus, and vehiclePANASONIC IP MAN CO LTD·Filed 2014·Granted May 16, 2017·0 cites·8 claims
- 2856US9068117B2Phosphor material and light-emitting devicePANASONIC IP MAN CO LTD·Filed 2014·Granted Jun 30, 2015·0 cites·7 claims
- 2956US8771548B2Yttrium—aluminum—garnet-type phosphorPANASONIC CORP·Filed 2013·Granted Jul 8, 2014·0 cites·4 claims
- 3056US8142684B2Method of manufacturing blue silicate phosphor, and blue silicate phosphor and light-emitting deviceSHIRAISHI SEIGO·Filed 2007·Granted Mar 27, 2012·1 cites·6 claims
- 3155US8410677B2Blue phosphor, light-emitting device, and plasma display panelOKUYAMA KOJIRO·Filed 2008·Granted Apr 2, 2013·0 cites·5 claims
- 3254US10385264B2Phosphor, method of producing same, and light-emitting devicePANASONIC CORP·Filed 2017·Granted Aug 20, 2019·0 cites·13 claims
- 3354US6989626B2Piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 24, 2006·4 cites·14 claims
- 3453US9523034B2Phosphor, light-emitting device including said phosphor, projector, head-up display and vehicle including said light-emitting devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Dec 20, 2016·0 cites·14 claims
- 3553US8366965B2Blue phosphor, light-emitting device, and plasma display panelPANASONIC CORP·Filed 2011·Granted Feb 5, 2013·0 cites·3 claims
- 3653US6762142B2Dielectric ceramic and dielectric deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 13, 2004·2 cites·14 claims
- 3752US9376617B2Fluorescent material and light-emitting devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 28, 2016·0 cites·8 claims
- 3852US9142733B2Light source device including a high energy light source and a wavelength conversion member, illuminating device comprising the same, and vehiclePANASONIC CORP·Filed 2014·Granted Sep 22, 2015·0 cites·12 claims
- 3952US8624479B2Plasma display panelPANASONIC CORP·Filed 2013·Granted Jan 7, 2014·0 cites·1 claims
- 4052US6118209APiezoelectric ceramic composition and piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 12, 2000·11 cites·20 claims
- 4152US5356843ADielectric ceramic compositions and dielectric resonatorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Oct 18, 1994·9 cites·3 claims
- 4250US8169143B2Plasma display panel having electron emitting materialOKUI YAYOI·Filed 2009·Granted May 1, 2012·0 cites·7 claims
- 4350US7285913B2Plasma display device having blue phosphor layers with alkaline earth metal aluminate containing molybdenum or tungstenMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 23, 2007·1 cites·19 claims
- 4449US9518220B2Red phosphor material and light-emitting devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Dec 13, 2016·0 cites·12 claims
- 4548US2010259466A1Plasma display panelINOUE OSAMU·Filed 2008·Application pending·0 cites
- 4646US7056853B2Oxide ceramic material, ceramic substrate employing the same, ceramic laminate device, and power amplifier moduleMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 6, 2006·0 cites·16 claims
- 4744US2008203893A1Light-Emitting DeviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 4844US2014339567A1Light-emitting devicePANASONIC CORP·Filed 2014·Application pending·0 cites
- 4944US2009072704A1Phosphor and light-emitting deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 5044US2009058254A1Phosphor and light-emitting deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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