Inventor · disambiguated record
Seiji Yamahira
Also filed as: YAMAHIRA SEIJI
25 granted patents·7 pending applications·223 citations·filing 2003–2024
95Inventor score
Files withPANASONIC CORP14PANASONIC IP MAN CO LTD6MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5YAMAHIRA SEIJI3NUVOTON TECHNOLOGY CORP JAPAN2
Top patents by PatentIndex Score
32 records- 0194US7339823B2Nonvolatile semiconductor storage apparatus and method of driving the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Mar 4, 2008·90 cites·9 claims
- 0291US8072258B2Booster circuitYAMAHIRA SEIJI·Filed 2010·Granted Dec 6, 2011·16 cites·15 claims
- 0389US7777557B2Booster circuitPANASONIC CORP·Filed 2008·Granted Aug 17, 2010·19 cites·15 claims
- 0487US9405671B2Process execution control based on the internal states of flash memories and power supply circuit informationPANASONIC CORP·Filed 2012·Granted Aug 2, 2016·8 cites·6 claims
- 0581US9318971B2Switching power supply apparatusPANASONIC CORP·Filed 2013·Granted Apr 19, 2016·5 cites·23 claims
- 0676US10812729B2Solid-state imaging devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Oct 20, 2020·2 cites·15 claims
- 0776US9898403B2Voltage control circuit for providing two voltages generated based on a parameter corresponding to an input signalPANASONIC CORP·Filed 2013·Granted Feb 20, 2018·3 cites·19 claims
- 0876US7969231B2Internal voltage generating circuitPANASONIC CORP·Filed 2009·Granted Jun 28, 2011·9 cites·8 claims
- 0976US6912159B2Boosting circuit and non-volatile semiconductor storage device containing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 28, 2005·24 cites·36 claims
- 1074US12476591B2Oscillator circuit and buffer circuitNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Granted Nov 18, 2025·0 cites·7 claims
- 1173US7932770B2Charge pump circuitPANASONIC CORP·Filed 2008·Granted Apr 26, 2011·9 cites·10 claims
- 1268US7808303B2Booster circuitPANASONIC CORP·Filed 2009·Granted Oct 5, 2010·8 cites·14 claims
- 1364US8519778B2Semiconductor integrated circuit and booster circuit including the sameYAMAHIRA SEIJI·Filed 2011·Granted Aug 27, 2013·2 cites·24 claims
- 1462US7113026B2Voltage generating circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Sep 26, 2006·4 cites·35 claims
- 1560US6940332B2Level shift circuit having control circuits for high speed, area saving and power savingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 6, 2005·10 cites·9 claims
- 1660US6914474B2Voltage boosting circuit without output clamping for regulationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 5, 2005·10 cites·11 claims
- 1759US7920018B2Booster circuitPANASONIC CORP·Filed 2010·Granted Apr 5, 2011·1 cites·12 claims
- 1857US10914629B2Imaging system, and method for specifying UV emission location using samePANASONIC IP MAN CO LTD·Filed 2019·Granted Feb 9, 2021·0 cites·18 claims
- 1956US2025189370A1Solid-state imaging deviceSAMSUNG ELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 2055US11421929B2Food management systemPANASONIC IP MAN CO LTD·Filed 2020·Granted Aug 23, 2022·0 cites·18 claims
- 2153US2024405718A1Oscillator circuitNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Application pending·0 cites
- 2250US7449918B2Level shift circuitPANASONIC CORP·Filed 2006·Granted Nov 11, 2008·1 cites·17 claims
- 2349US7511559B2Booster circuitPANASONIC CORP·Filed 2006·Granted Mar 31, 2009·2 cites·13 claims
- 2447US11330205B2Photosensor, image sensor, and photosensor driving methodPANASONIC IP MAN CO LTD·Filed 2021·Granted May 10, 2022·0 cites·20 claims
- 2547US2011169557A1Charge pump circuitPANASONIC CORP·Filed 2011·Application pending·0 cites
- 2646US2018129601A1Voltage control circuit for providing two voltages generated based on a parameter corresponding to an input signalPANASONIC CORP·Filed 2018·Application pending·0 cites
- 2745US11025850B2Solid-state image-capturing device and method for driving solid-state image-capturing devicePANASONIC IP MAN CO LTD·Filed 2018·Granted Jun 1, 2021·0 cites·14 claims
- 2844US2014104933A1Semiconductor memoryPANASONIC CORP·Filed 2013·Application pending·0 cites
- 2943US8319531B2Multi-phase clock divider circuitYAMAHIRA SEIJI·Filed 2010·Granted Nov 27, 2012·0 cites·17 claims
- 3043US2022014704A1Imaging processing circuit, imaging system, imaging processing method, and non-transitory storage mediumPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 3140US7924086B2Boosting circuitPANASONIC CORP·Filed 2009·Granted Apr 12, 2011·0 cites·34 claims
- 3232US2007043984A1Nonvolatile semiconductor memory device and signal processing systemMORI TOSHIKI·Filed 2006·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →