Inventor · disambiguated record
Takashi Ryu
Also filed as: RYU TAKASHI
61 granted patents·9 pending applications·460 citations·filing 2002–2022
98Inventor score
Files withNGK INSULATORS LTD28MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14PANASONIC CORP13OHMORI MAKOTO5NUVOTON TECHNOLOGY CORP JAPAN2
Top patents by PatentIndex Score
70 records- 0197US7250746B2Current mode switching regulator with predetermined on timeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 31, 2007·105 cites·16 claims
- 0296US8040121B2Switching regulatorPANASONIC CORP·Filed 2010·Granted Oct 18, 2011·24 cites·12 claims
- 0395US7737668B2Buck-boost switching regulatorPANASONIC CORP·Filed 2007·Granted Jun 15, 2010·53 cites·28 claims
- 0493US7199636B2Active diodeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Apr 3, 2007·47 cites·23 claims
- 0591US10862138B2Electrochemical cell and cell stack deviceNGK INSULATORS LTD·Filed 2019·Granted Dec 8, 2020·3 cites·6 claims
- 0690US8043760B2Electrochemical cell stacksNGK INSULATORS LTD·Filed 2009·Granted Oct 25, 2011·10 cites·24 claims
- 0788US10727524B2Cell stack deviceNGK INSULATORS LTD·Filed 2019·Granted Jul 28, 2020·3 cites·10 claims
- 0886US7714562B2Hysteretic switching regulatorPANASONIC CORP·Filed 2006·Granted May 11, 2010·24 cites·19 claims
- 0980US7294994B2Power supplyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Nov 13, 2007·17 cites·15 claims
- 1079US8486328B2Bonding agent comprising spherical sintered metal oxide powderOHMORI MAKOTO·Filed 2010·Granted Jul 16, 2013·2 cites·10 claims
- 1179US7282894B2Method and apparatus for performing lossless sensing and negative inductor currents in a high side switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 16, 2007·15 cites·16 claims
- 1278US9083011B2Solid oxide fuel cellOHMORI MAKOTO·Filed 2011·Granted Jul 14, 2015·2 cites·10 claims
- 1378US8703352B2Solid oxide fuel cell having a closed recessed structureOHMORI MAKOTO·Filed 2011·Granted Apr 22, 2014·2 cites·11 claims
- 1477US8384367B2Step-down switching regulatorPANASONIC CORP·Filed 2009·Granted Feb 26, 2013·15 cites·4 claims
- 1577US7479771B2Current detection circuit and switching power supplyPANASONIC CORP·Filed 2007·Granted Jan 20, 2009·11 cites·6 claims
- 1677US6831448B2DC-to-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 14, 2004·37 cites·12 claims
- 1775US10284091B2Bi-directional converter, controller, and semiconductor devicePANASONIC IP MAN CO LTD·Filed 2017·Granted May 7, 2019·2 cites·11 claims
- 1875US9005844B2Structure of solid oxide fuel cellOHMORI MAKOTO·Filed 2011·Granted Apr 14, 2015·2 cites·13 claims
- 1973US8419866B2Method of manufacturing transition metal oxide having spinel structureRYU TAKASHI·Filed 2010·Granted Apr 16, 2013·2 cites·7 claims
- 2072US8865364B2Solid oxide fuel cellYOSHIDA TOSHIHIRO·Filed 2011·Granted Oct 21, 2014·2 cites·12 claims
- 2172US8617769B2Coating bodyOHMORI MAKOTO·Filed 2010·Granted Dec 31, 2013·1 cites·7 claims
- 2271US7764113B2Output circuitPANASONIC CORP·Filed 2008·Granted Jul 27, 2010·7 cites·11 claims
- 2371US7391199B2DC-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jun 24, 2008·10 cites·11 claims
- 2470US8686704B2Current sense circuit and switching regulator using the sameISHII TAKUYA·Filed 2010·Granted Apr 1, 2014·3 cites·17 claims
- 2570US8354198B2Electrochemical device including a binding layer having a spinel-type crystal structureNGK INSULATORS LTD·Filed 2009·Granted Jan 15, 2013·1 cites·7 claims
- 2670US7282900B2Performance controller for a step down current mode switching regulatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 16, 2007·4 cites·30 claims
- 2769US7713645B2Conductive connecting members and electrochemical systemsNGK INSULATORS LTD·Filed 2007·Granted May 11, 2010·1 cites·10 claims
- 2869US7592792B2Power supplyPANASONIC CORP·Filed 2005·Granted Sep 22, 2009·9 cites·6 claims
- 2969US7482789B2Step-up converterPANASONIC CORP·Filed 2006·Granted Jan 27, 2009·9 cites·10 claims
- 3063US11189842B2Electrochemical cellNGK INSULATORS LTD·Filed 2020·Granted Nov 30, 2021·0 cites·1 claims
- 3163US11005109B2Electrochemical cell including cathode with main phase of perovskite oxide and second phase of Co3O4 and (Co,Fe) 3O4NGK INSULATORS LTD·Filed 2018·Granted May 11, 2021·0 cites·2 claims
- 3263US10923756B2Joining structureNGK INSULATORS LTD·Filed 2020·Granted Feb 16, 2021·0 cites·3 claims
- 3362US11637342B2Electrochemical cellNGK INSULATORS LTD·Filed 2020·Granted Apr 25, 2023·0 cites·4 claims
- 3462US10790533B2Fuel cell stackNGK INSULATORS LTD·Filed 2017·Granted Sep 29, 2020·0 cites·24 claims
- 3561US11245118B2Electrochemical cellNGK INSULATORS LTD·Filed 2018·Granted Feb 8, 2022·0 cites·2 claims
- 3661US11005120B2Electrochemical cellNGK INSULATORS LTD·Filed 2018·Granted May 11, 2021·0 cites·3 claims
- 3761US10903502B2Electrochemical cellNGK INSULATORS LTD·Filed 2020·Granted Jan 26, 2021·0 cites·3 claims
- 3861US7782030B2Step-down converterPANASONIC CORP·Filed 2007·Granted Aug 24, 2010·5 cites·3 claims
- 3961US7323850B2Current detection circuit and switching power supply using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 29, 2008·5 cites·2 claims
- 4061US7075275B2DC-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 11, 2006·6 cites·7 claims
- 4159US11466650B2Fuel injection valve driving deviceKEIHIN CORP·Filed 2019·Granted Oct 11, 2022·0 cites·7 claims
- 4258US11211627B2Electrochemical cell including cathode with main phase of perovskite oxide and second phase of SrSO4 and (Co, Fe)3O4NGK INSULATORS LTD·Filed 2019·Granted Dec 28, 2021·0 cites·2 claims
- 4357US11394038B2Electrochemical cell and cell stack deviceNGK INSULATORS LTD·Filed 2019·Granted Jul 19, 2022·0 cites·9 claims
- 4457US7285944B2DC-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Oct 23, 2007·4 cites·6 claims
- 4556US7825646B2Step-up converterPANASONIC CORP·Filed 2007·Granted Nov 2, 2010·4 cites·15 claims
- 4656US7122266B2Holding member for holding an electrochemical cell, a holding substrate for the same, an electrochemical system and a connecting member for electrochemical cellsNGK INSULATORS LTD·Filed 2002·Granted Oct 17, 2006·2 cites·24 claims
- 4755US12081049B2Battery management circuit, energy storage device, and battery management methodNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Granted Sep 3, 2024·0 cites·13 claims
- 4855US7567069B2Step-up power supply devicePANASONIC CORP·Filed 2007·Granted Jul 28, 2009·5 cites·9 claims
- 4955US7449261B2Holding member for holding an electrochemical cell, a holding substrate for the same, an electrochemical system and a connecting member for electrochemical cellsNGK INSULATORS LTD·Filed 2006·Granted Nov 11, 2008·0 cites·18 claims
- 5055US7081741B2Multi-output power supply and electronic device using themMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 25, 2006·4 cites·10 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →