Inventor · disambiguated record
Kenji Iijima
Also filed as: IIJIMA KENJI
40 granted patents·5 pending applications·433 citations·filing 1986–2020
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD22SHIMADZU CORP8NITTOH KOGAKU KK4UBE INDUSTRIES2ZEXEL VALEO CLIMATE CONTR CORP2
Top patents by PatentIndex Score
45 records- 0197US6767655B2Magneto-resistive elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 27, 2004·84 cites·62 claims
- 0289US11358836B2Wire rope inspection device, wire rope inspection system, and wire rope inspection methodSHIMADZU CORP·Filed 2018·Granted Jun 14, 2022·3 cites·9 claims
- 0389US7163755B2Magneto-resistive elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 16, 2007·30 cites·15 claims
- 0488US6680831B2Magnetoresistive element, method for manufacturing the same, and method for forming a compound magnetic thin filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 20, 2004·32 cites·27 claims
- 0587US6717780B2Magnetoresistive device and/or multi-magnetoresistive deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 6, 2004·33 cites·25 claims
- 0686US11391697B2Magnetic body inspection device and magnetic body inspection methodSHIMADZU CORP·Filed 2019·Granted Jul 19, 2022·2 cites·17 claims
- 0784US11092570B2Magnetic body inspection apparatus and magnetic body inspection methodSHIMADZU CORP·Filed 2017·Granted Aug 17, 2021·2 cites·18 claims
- 0882US6785100B2Magnetic head comprising a multilayer magnetoresistive device and a yoke for introducing magnetic flux from a medium to the magnetoresistive deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 31, 2004·13 cites·27 claims
- 0978US7324289B2Zoom lens systemNITTOH KOGAKU KK·Filed 2007·Granted Jan 29, 2008·8 cites·7 claims
- 1077US6771473B2Magnetoresistive element and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 3, 2004·17 cites·12 claims
- 1177US6569240B1Dielectric film and method for forming the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 27, 2003·10 cites·8 claims
- 1276US6798620B2Magneto-resistive element, magnetic head, and magnetic recording and reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 28, 2004·9 cites·20 claims
- 1375US5709811AMagnetic material for microwave and high-frequency circuit component using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jan 20, 1998·28 cites·24 claims
- 1469US5589221AMagnetic thin film, and method of manufacturing the same, and magnetic headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Dec 31, 1996·18 cites·7 claims
- 1567US7042686B2Magnetoresistive element and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 9, 2006·9 cites·10 claims
- 1666US9134057B2Refrigeration cycle and condenser with supercooling unitIIJIMA KENJI·Filed 2011·Granted Sep 15, 2015·2 cites·12 claims
- 1764US11493574B2Magnetic material inspection deviceSHIMADZU CORP·Filed 2020·Granted Nov 8, 2022·0 cites·10 claims
- 1863US6639765B2Magnetoresistive element and magnetoresistive device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 28, 2003·8 cites·12 claims
- 1960US11480546B2Magnetic material inspection system, magnetic material inspection device, and magnetic material inspection methodSHIMADZU CORP·Filed 2020·Granted Oct 25, 2022·0 cites·17 claims
- 2059US7715110B2Zoom lens systemNITTOH KOGAKU KK·Filed 2008·Granted May 11, 2010·2 cites·7 claims
- 2158US6899965B2Dielectric film and method for forming the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 31, 2005·2 cites·3 claims
- 2257US5849400AMagnetic thin film, and method of manufacturing the same, and magnetic headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 15, 1998·10 cites·44 claims
- 2356US6321544B1Refrigerating cycleZEXEL VALEO CLIMATE CONTR CORP·Filed 1998·Granted Nov 27, 2001·21 cites·32 claims
- 2455US7518805B2Zoom lens systemNITTOH KOGAKU KK·Filed 2007·Granted Apr 14, 2009·1 cites·6 claims
- 2553US11485609B2Magnetic body inspection deviceSHIMADZU CORP·Filed 2018·Granted Nov 1, 2022·0 cites·7 claims
- 2653US6762142B2Dielectric ceramic and dielectric deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 13, 2004·2 cites·14 claims
- 2753US5308462AProcess for producing a ferroelectric film deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted May 3, 1994·15 cites·8 claims
- 2853US5190507AApparatus for practice of ambulationJAPAN EM KK·Filed 1991·Granted Mar 2, 1993·27 cites·4 claims
- 2952US11644439B2Magnetic body inspection apparatusSHIMADZU CORP·Filed 2020·Granted May 9, 2023·0 cites·8 claims
- 3051US11194136B2Optical system for image pickup and image pickup apparatusNITTOH INC·Filed 2018·Granted Dec 7, 2021·0 cites·8 claims
- 3151US5350606ASingle crystal ferroelectric barium titanate filmsKANEGAFUCHI CHEMICAL IND·Filed 1993·Granted Sep 27, 1994·10 cites·9 claims
- 3251US5061687ALaminated film and method for producing the sameUBE INDUSTRIES·Filed 1989·Granted Oct 29, 1991·14 cites·2 claims
- 3350US6686071B2Magnetic recording medium and magnetic recording apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Feb 3, 2004·3 cites·10 claims
- 3448US7012790B2Magnetic head with yoke and multiple magnetic layersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Mar 14, 2006·0 cites·5 claims
- 3548US6977799B2Magnetic head comprising a multilayer magnetoresistive device and a yoke for introducing magnetic flux from a medium to the magnetoresistive deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 20, 2005·0 cites·7 claims
- 3648US2005111147A1Method for forming a compound magnetic thin filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 3746US12209990B2Magnetic body inspection device and magnetic body inspection systemSHIMADZU CORP·Filed 2018·Granted Jan 28, 2025·0 cites·12 claims
- 3846US6334324B1Expansion deviceZEXEL VALEO CLIMATE CONTR CORP·Filed 1998·Granted Jan 1, 2002·14 cites·7 claims
- 3946US2004096692A1Dielectric film and method for forming the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 4046US2004080874A1Magnetoresistive element, method for manufacturing the same, and method for forming a compound magnetic thin filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 4143US6985304B2Lens system and cameraNITTOH KOGAKU KK·Filed 2004·Granted Jan 10, 2006·0 cites·5 claims
- 4243US2002044391A1Magneto-resistive element magnetic head, and magnetic recording and reproduction apparatusFiled 2001·Application pending·0 cites
- 4335US2003179071A1Magnetoresistive elementFiled 2002·Application pending·0 cites
- 4430US4837706ADrawing processing apparatusMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Jun 6, 1989·2 cites·6 claims
- 4529US5252390ALaminated filmUBE INDUSTRIES·Filed 1991·Granted Oct 12, 1993·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →