Inventor · disambiguated record
Takashi Hatanai
Also filed as: HATANAI TAKASHI
38 granted patents·4 pending applications·672 citations·filing 1983–2017
98Inventor score
Files withALPS ELECTRIC CO LTD42
Top patents by PatentIndex Score
42 records- 0192US6060977ACore for use in inductive element, transformer and inductorALPS ELECTRIC CO LTD·Filed 1999·Granted May 9, 2000·81 cites·25 claims
- 0290US6232775B1Magneto-impedance element, and azimuth sensor, autocanceler and magnetic head using the sameALPS ELECTRIC CO LTD·Filed 1998·Granted May 15, 2001·61 cites·19 claims
- 0388US6351204B1Thin magnetic element and transformerALPS ELECTRIC CO LTD·Filed 2000·Granted Feb 26, 2002·29 cites·4 claims
- 0486US6329818B1Magnetic field sensor having giant magnetoresistive effect elements, manufacturing method and apparatus thereforALPS ELECTRIC CO LTD·Filed 1999·Granted Dec 11, 2001·65 cites·16 claims
- 0584US6175296B1Potentiometer provided with giant magnetoresistive effect elementsALPS ELECTRIC CO LTD·Filed 1999·Granted Jan 16, 2001·58 cites·4 claims
- 0683US7859258B2Magnetic sensor and magnetic sensor moduleALPS ELECTRIC CO LTD·Filed 2010·Granted Dec 28, 2010·5 cites·19 claims
- 0781US6140902AThin magnetic element and transformerALPS ELECTRIC CO LTD·Filed 1997·Granted Oct 31, 2000·33 cites·4 claims
- 0878US5467236AGapped flexure tongue for floating type magnetic head apparatusALPS ELECTRIC CO LTD·Filed 1994·Granted Nov 14, 1995·22 cites·2 claims
- 0974US6171410B1Hard magnetic alloy, hard magnetic alloy compact, and method for producing the sameALPS ELECTRIC CO LTD·Filed 1998·Granted Jan 9, 2001·27 cites·21 claims
- 1073US6657829B2Tunneling magnetoresistive deviceALPS ELECTRIC CO LTD·Filed 2001·Granted Dec 2, 2003·16 cites·25 claims
- 1171US6171716B1Soft magnetic film, and thin film magnetic head, planer magnetic element, and filter using the soft magnetic filmALPS ELECTRIC CO LTD·Filed 1999·Granted Jan 9, 2001·22 cites·24 claims
- 1269US5755986ASoft-magnetic dielectric high-frequency composite material and method for making the sameALPS ELECTRIC CO LTD·Filed 1996·Granted May 26, 1998·25 cites·9 claims
- 1368US6452382B1Encoder provided with giant magnetoresistive effect elementsALPS ELECTRIC CO LTD·Filed 1999·Granted Sep 17, 2002·30 cites·16 claims
- 1462US6346338B1Combination magnetoresistive/inductive thin film magnetic head and its manufacturing methodALPS ELECTRIC CO LTD·Filed 2000·Granted Feb 12, 2002·13 cites·16 claims
- 1561US5675454AFloating type magnetic head apparatusALPS ELECTRIC CO LTD·Filed 1995·Granted Oct 7, 1997·13 cites·2 claims
- 1659US6692582B1Hard magnetic alloy, hard magnetic alloy compact and method for producing the sameALPS ELECTRIC CO LTD·Filed 2000·Granted Feb 17, 2004·6 cites·21 claims
- 1758US6235129B1Hard magnetic materialALPS ELECTRIC CO LTD·Filed 1998·Granted May 22, 2001·14 cites·28 claims
- 1858US4638387AComposition for sliding contact part of recording/reproducing apparatusALPS ELECTRIC CO LTD·Filed 1983·Granted Jan 20, 1987·9 cites·10 claims
- 1956US6312530B1Magnetostrictive materialALPS ELECTRIC CO LTD·Filed 1998·Granted Nov 6, 2001·14 cites·14 claims
- 2056US6239594B1Mageto-impedance effect elementALPS ELECTRIC CO LTD·Filed 1999·Granted May 29, 2001·18 cites·6 claims
- 2156US6150046ACombination magnetoresistive/inductive thin film magnetic head and its manufacturing methodALPS ELECTRIC CO LTD·Filed 1998·Granted Nov 21, 2000·9 cites·19 claims
- 2255US4638391AVertical recording magnetic head having single core body bonded with main magnetic pole in guard layerALPS ELECTRIC CO LTD·Filed 1984·Granted Jan 20, 1987·8 cites·9 claims
- 2355US4603091ARecording medium for perpendicular magnetizationALPS ELECTRIC CO LTD·Filed 1984·Granted Jul 29, 1986·12 cites·1 claims
- 2452US7535096B2Glass substrate and capacitance-type pressure sensor using the sameALPS ELECTRIC CO LTD·Filed 2005·Granted May 19, 2009·2 cites·5 claims
- 2552US6083325AMethod for making Fe-based soft magnetic alloyALPS ELECTRIC CO LTD·Filed 1997·Granted Jul 4, 2000·13 cites·2 claims
- 2648US4557769ASoft magnetic materialALPS ELECTRIC CO LTD·Filed 1984·Granted Dec 10, 1985·7 cites·3 claims
- 2746US6034450AStepping motor and method of manufacturing hard magnetic alloy thereforALPS ELECTRIC CO LTD·Filed 1998·Granted Mar 7, 2000·9 cites·12 claims
- 2846US4657812ARecording medium for perpendicular magnetizationALPS ELECTRIC CO LTD·Filed 1984·Granted Apr 14, 1987·8 cites·3 claims
- 2944US4609593AMagnetic recording mediumALPS ELECTRIC CO LTD·Filed 1984·Granted Sep 2, 1986·8 cites·6 claims
- 3044US4592963AThin-film magnetic head and composite material substrate thereforALPS ELECTRIC CO LTD·Filed 1984·Granted Jun 3, 1986·4 cites·22 claims
- 3143US6036825AMagnetic film forming methodALPS ELECTRIC CO LTD·Filed 1999·Granted Mar 14, 2000·7 cites·35 claims
- 3243US4641213AMagnetic headALPS ELECTRIC CO LTD·Filed 1984·Granted Feb 3, 1987·4 cites·3 claims
- 3343US2004207921A1Multilayer film optical filter, method of producing the same, and optical component using the sameALPS ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 3441US2003142407A1Multilayer film optical filter, method of producing the same, and optical component using the sameALPS ELECTRIC CO LTD·Filed 2003·Application pending·0 cites
- 3541US2007264742A1Glass substrate and capacitance-type pressure sensor using the sameALPS ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 3640US6446702B1Apparatus and method for producing metallic ribbonALPS ELECTRIC CO LTD·Filed 1999·Granted Sep 10, 2002·3 cites·11 claims
- 3740US4768120AComplex magnetic head having non-magnetic center coreALPS ELECTRIC CO LTD·Filed 1987·Granted Aug 30, 1988·4 cites·1 claims
- 3839US4695512AMagnetic head for perpendicular magnetic recordingALPS ELECTRIC CO LTD·Filed 1985·Granted Sep 22, 1987·6 cites·5 claims
- 3939US2017222260A1Solid electrolyte powder, all-solid-state lithium ion secondary battery, and method of manufacturing solid electrolyte powderALPS ELECTRIC CO LTD·Filed 2017·Application pending·0 cites
- 4038US6047763AMetal ribbon manufacturing apparatusALPS ELECTRIC CO LTD·Filed 1998·Granted Apr 11, 2000·2 cites·18 claims
- 4134US4622273ARecording medium for perpendicular magnetizationALPS ELECTRIC CO LTD·Filed 1984·Granted Nov 11, 1986·3 cites·2 claims
- 4233US4720757AMagnetic head for vertical magnetic recording and process for producing the sameALPS ELECTRIC CO LTD·Filed 1985·Granted Jan 19, 1988·2 cites·12 claims
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