Inventor · disambiguated record
Ken Kawai
Also filed as: KAWAI KEN · KAWAI KEN-ICHI
33 granted patents·7 pending applications·633 citations·filing 1997–2025
97Inventor score
Files withNUVOTON TECHNOLOGY CORP JAPAN8KAWAI KEN7PANASONIC IP MAN CO LTD7MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4PANASONIC CORP4
Top patents by PatentIndex Score
40 records- 0198US9378817B2Variable resistance nonvolatile memory element writing method and variable resistance nonvolatile memory deviceKAWAI KEN·Filed 2012·Granted Jun 28, 2016·88 cites·18 claims
- 0296US9251896B2Variable resistance nonvolatile memory device and method for writing into the samePANASONIC CORP·Filed 2014·Granted Feb 2, 2016·34 cites·18 claims
- 0395US8848421B2Forming method of performing forming on variable resistance nonvolatile memory element, and variable resistance nonvolatile memory deviceKAWAI KEN·Filed 2011·Granted Sep 30, 2014·29 cites·25 claims
- 0495US8395925B2Forming method for variable resistance nonvolatile memory element, and variable resistance nonvolatile memory deviceKAWAI KEN·Filed 2010·Granted Mar 12, 2013·27 cites·18 claims
- 0595US8305795B2Nonvolatile variable resistance memory element writing method, and nonvolatile variable resistance memory deviceAZUMA RYOTARO·Filed 2010·Granted Nov 6, 2012·21 cites·25 claims
- 0695US6198342B1Charge pump circuit simple in construction and free from trouble even at low voltageSHARP KK·Filed 1999·Granted Mar 6, 2001·147 cites·10 claims
- 0793US7911824B2Nonvolatile memory apparatusPANASONIC CORP·Filed 2008·Granted Mar 22, 2011·30 cites·12 claims
- 0892US12158459B2Hydrogen sensor, hydrogen detection method, and hydrogen detection deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Granted Dec 3, 2024·1 cites·13 claims
- 0992US9064573B2Writing method of variable resistance non-volatile memory element and variable resistance non-volatile memory devicePANASONIC CORP·Filed 2014·Granted Jun 23, 2015·15 cites·22 claims
- 1092US8902629B2Forming method of performing forming on variable resistance nonvolatile memory element, and variable resistance nonvolatile memory deviceKAWAI KEN·Filed 2011·Granted Dec 2, 2014·18 cites·21 claims
- 1191US8325508B2Writing method for variable resistance nonvolatile memory element, and variable resistance nonvolatile memory deviceKAWAI KEN·Filed 2010·Granted Dec 4, 2012·16 cites·10 claims
- 1290US7088620B2Nonvolatile semiconductor memory deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Aug 8, 2006·25 cites·11 claims
- 1387US9336881B2Variable resistance nonvolatile memory device including a variable resistance layer that changes reversibly between a low resistance state and a high resistance state according to an applied electrical signalPANASONIC IP MAN CO LTD·Filed 2015·Granted May 10, 2016·9 cites·20 claims
- 1485US9001557B2Variable resistance nonvolatile memory element writing method and variable resistance nonvolatile memory devicePANASONIC IP MAN CO LTD·Filed 2012·Granted Apr 7, 2015·9 cites·10 claims
- 1585US8867259B2Method of programming variable resistance nonvolatile memory elementKAWAI KEN·Filed 2012·Granted Oct 21, 2014·10 cites·14 claims
- 1685US6219286B1Semiconductor memory having reduced time for writing defective informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 17, 2001·43 cites·17 claims
- 1781US9484090B2Read and write methods for a resistance change non-volatile memory devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Nov 1, 2016·4 cites·5 claims
- 1880US6465078B1Recording sheet with an ink absorbing layerDAICEL CHEM·Filed 1997·Granted Oct 15, 2002·37 cites·15 claims
- 1979US8923032B2Crosspoint nonvolatile memory device and forming method thereofPANASONIC CORP·Filed 2012·Granted Dec 30, 2014·7 cites·11 claims
- 2077US8179714B2Nonvolatile storage device and method for writing into memory cell of the sameTAKAGI TAKESHI·Filed 2009·Granted May 15, 2012·10 cites·15 claims
- 2175US8625328B2Variable resistance nonvolatile storage deviceTOMOTANI HIROSHI·Filed 2010·Granted Jan 7, 2014·6 cites·21 claims
- 2274US2024377035A1Gas detection system and gas detection methodNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Application pending·0 cites
- 2371US9524776B2Forming method for variable-resistance nonvolatile memory elementPANASONIC IP MAN CO LTD·Filed 2016·Granted Dec 20, 2016·3 cites·16 claims
- 2470US9202565B2Write method for writing to variable resistance nonvolatile memory element and variable resistance nonvolatile memory devicePANASONIC IP MAN CO LTD·Filed 2013·Granted Dec 1, 2015·4 cites·16 claims
- 2570US8094482B2Nonvolatile memory apparatus and nonvolatile data storage mediumWEI ZHIQIANG·Filed 2008·Granted Jan 10, 2012·7 cites·20 claims
- 2669US2025116623A1Hydrogen detection device and method for manufacturing the sameNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Application pending·0 cites
- 2768US2024361267A1Hydrogen detection method, drive circuit, and hydrogen detection deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Application pending·0 cites
- 2867US2024272106A1Hydrogen detection device and control method for hydrogen detection deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2024·Application pending·0 cites
- 2963US11536677B2Gas detection device, gas sensor system, fuel cell vehicle, and hydrogen detection methodPANASONIC IP MAN CO LTD·Filed 2017·Granted Dec 27, 2022·1 cites·16 claims
- 3061US6756837B2Booster circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 29, 2004·15 cites·37 claims
- 3159US7117462B2Circuit operation verifying method and apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 3, 2006·7 cites·11 claims
- 3258US2025208080A1Hydrogen detection element and method for manufacturing the sameNUVOTON TECHNOLOGY CORP JAPAN·Filed 2025·Application pending·0 cites
- 3356US12190950B2Variable resistance nonvolatile storage device and write method thereforNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Granted Jan 7, 2025·0 cites·18 claims
- 3456US12007348B2Method for driving gas sensor, and gas detection deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2021·Granted Jun 11, 2024·0 cites·15 claims
- 3556US8665633B2Nonvolatile variable resistance memory element writing method, and nonvolatile variable resistance memory deviceAZUMA RYOTARO·Filed 2012·Granted Mar 4, 2014·1 cites·4 claims
- 3654US6366111B1Test circuit for semiconductor IC deviceSHARP KK·Filed 2000·Granted Apr 2, 2002·8 cites·8 claims
- 3751US8687409B2Variable resistance nonvolatile memory deviceIKEDA YUICHIRO·Filed 2012·Granted Apr 1, 2014·1 cites·13 claims
- 3843US11027604B2Hydrogen detection apparatus, fuel cell vehicle, hydrogen leak monitoring system, compound sensor module, hydrogen detection method, and recording mediumPANASONIC IP MAN CO LTD·Filed 2017·Granted Jun 8, 2021·0 cites·14 claims
- 3938US2002160162A1Recording sheets and process for the production thereofDAICEL CHEM·Filed 2002·Application pending·0 cites
- 4030US2007133277A1Non-volatile semiconductor memory deviceKAWAI KEN·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →