Inventor · disambiguated record
Fumitoshi Yamashita
Also filed as: YAMASHITA FUMITOSHI
42 granted patents·5 pending applications·402 citations·filing 1983–2018
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD28YAMASHITA FUMITOSHI8PANASONIC CORP6MINEBEA CO LTD4MINEBEA MITSUMI INC1
Top patents by PatentIndex Score
47 records- 0190US7902707B2Anisotropic permanent magnet motorPANASONIC CORP·Filed 2008·Granted Mar 8, 2011·18 cites·8 claims
- 0287US4689163AResin-bonded magnet comprising a specific type of ferromagnetic powder dispersed in a specific type of resin binderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Aug 25, 1987·42 cites·14 claims
- 0385US6332998B1Method for making molding parts using heat-curable molding compositionsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 25, 2001·24 cites·4 claims
- 0483US6995488B1Permanent magnet field small DC motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 7, 2006·27 cites·11 claims
- 0582US6599450B1Method of producing recycled raw material powder for use in bonded magnet and method of recycling bonded magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 29, 2003·14 cites·12 claims
- 0679US6533837B1Method of recovering and recycling magnetic powder from rare earth bond magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 18, 2003·16 cites·16 claims
- 0778US8421293B2Method of rare earth-iron based annular magnet and motor fabricated therebyYAMASHITA FUMITOSHI·Filed 2008·Granted Apr 16, 2013·8 cites·8 claims
- 0874US6387294B1Rare earth resin magnet, magnet rotor, magnet motor using the same, and its manufacturing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 14, 2002·14 cites·21 claims
- 0973US7967919B2Process for producing self-assembled rare earth-iron bonded magnet and motor utilizing the samePANASONIC CORP·Filed 2005·Granted Jun 28, 2011·3 cites·30 claims
- 1069US8269391B2Micro rotor and rotary electric machine incorporating sameYAMASHITA FUMITOSHI·Filed 2010·Granted Sep 18, 2012·3 cites·11 claims
- 1169US8072109B2Radial anisotropic magnet manufacturing method, permanent magnet motor using radial anisotropic magnet, and iron core-equipped permanent magnet motorYAMASHITA FUMITOSHI·Filed 2007·Granted Dec 6, 2011·4 cites·7 claims
- 1268US4981635AMethods for producing a resin-bonded magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jan 1, 1991·23 cites·4 claims
- 1367US9266311B2Manufacturing method of laminated magnet film end product with self-bonding layerYAMASHITA FUMITOSHI·Filed 2011·Granted Feb 23, 2016·1 cites·16 claims
- 1467US8069552B2Method of manufacturing rotor magnet for micro rotary electric machineYAMASHITA FUMITOSHI·Filed 2009·Granted Dec 6, 2011·2 cites·2 claims
- 1567US6708388B1Method of making a permanent magnet field-type compact DC motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 23, 2004·16 cites·12 claims
- 1664US5178691AProcess for producing a rare earth element-iron anisotropic magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jan 12, 1993·18 cites·10 claims
- 1764US5100485AMethod for manufacturing permanent magnetsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Mar 31, 1992·15 cites·9 claims
- 1862US8044547B2Radial-direction gap type magnet motorPANASONIC CORP·Filed 2007·Granted Oct 25, 2011·2 cites·11 claims
- 1962US7828988B2Anisotropic rare earth bonded magnet having self-organized network boundary phase and permanent magnet motor utilizing the samePANASONIC CORP·Filed 2005·Granted Nov 9, 2010·2 cites·21 claims
- 2062US5167915AProcess for producing a rare earth-iron-boron magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Dec 1, 1992·25 cites·2 claims
- 2160US7381280B2Manufacturing methods of flexible bonded magnet and motor using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 3, 2008·6 cites·26 claims
- 2259US7759833B2Permanent magnet rotator and motor using the samePANASONIC CORP·Filed 2007·Granted Jul 20, 2010·1 cites·18 claims
- 2356US5190684ARare earth containing resin-bonded magnet and its productionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Mar 2, 1993·13 cites·4 claims
- 2456US5100604AMethod for making a resin-bonded magnet comprising a ferromagnetic material and a resin compositionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 31, 1992·15 cites·12 claims
- 2555US6941637B2Method of manufacturing a motor comprising a rare earth thick film magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 13, 2005·6 cites·17 claims
- 2654US6602569B2Production process for ring shaped resin bonded magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 5, 2003·4 cites·15 claims
- 2754US2016072371A1Inner rotor-type permanent magnet motor with annular magnetic polesMINEBEA CO LTD·Filed 2015·Application pending·0 cites
- 2852US8183732B2Radial anisotropic magnet manufacturing method, permanent magnet motor using radial anisotropic magnet, and iron core-equipped permanent magnet motorYAMASHITA FUMITOSHI·Filed 2011·Granted May 22, 2012·0 cites·7 claims
- 2952US2013088114A1Inner rotor-type permanent magnet motorMINEBEA CO LTD·Filed 2012·Application pending·0 cites
- 3050US8371021B2Manufacturing method of rare earth-iron ring magnet with continuous orientation controlled anisotropyPANASONIC CORP·Filed 2009·Granted Feb 12, 2013·0 cites·5 claims
- 3150US4504543AFriction materialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Mar 12, 1985·11 cites·9 claims
- 3246US5149477AProcess for producing a resin bonded magnet structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Sep 22, 1992·14 cites·7 claims
- 3345US6978533B1Method of manufacturing rare earth-iron bond magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 27, 2005·1 cites·14 claims
- 3445US5830258AMethod of recovering resources in resin-molded electrical rotating deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Nov 3, 1998·11 cites·6 claims
- 3545US5201962AMethod of making permanent magnet containing rare earth metal and ferrous componentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 13, 1993·8 cites·7 claims
- 3645US2014043125A1Method for producing fully dense rare earth-iron-based bonded magnetMINEBEA CO LTD·Filed 2013·Application pending·0 cites
- 3744US5624503AProcess for producing Nd-Fe-B magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 29, 1997·8 cites·8 claims
- 3842US10511212B2Inner rotor-type permanent magnet motor with annular magnetic polesMINEBEA MITSUMI INC·Filed 2018·Granted Dec 17, 2019·0 cites·3 claims
- 3941US5464576AMethod of making isotropic bonded magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Nov 7, 1995·10 cites·4 claims
- 4039US2010219921A1Rare-earth iron-based magnet with self-recoverabilityMINEBEA CO LTD·Filed 2010·Application pending·0 cites
- 4138US8329056B2Anisotropic rare earth-iron based resin bonded magnetYAMASHITA FUMITOSHI·Filed 2010·Granted Dec 11, 2012·0 cites·9 claims
- 4238US6365078B1Production process for ring shaped resin bonded magnetMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Apr 2, 2002·5 cites·15 claims
- 4337US2014010955A1Method of producing alpha-fe/r2tm14b-type nanocomposite magnetYAMASHITA FUMITOSHI·Filed 2012·Application pending·0 cites
- 4433US5927861AMotor assembly having ion implantation on sliding surfacesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 27, 1999·6 cites·8 claims
- 4532US6391382B2Manufacturing method of magnet resin compoundMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 21, 2002·1 cites·13 claims
- 4632US5874482APlastic molded product and method for disposal of the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 23, 1999·2 cites·7 claims
- 4731US6235074B1Process of recovering copper from windingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 22, 2001·3 cites·4 claims
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