Inventor · disambiguated record
Satoshi Hirosawa
Also filed as: HIROSAWA SATOSHI
34 granted patents·6 pending applications·638 citations·filing 1990–2012
98Inventor score
Top patents by PatentIndex Score
40 records- 0196US6826915B2Magnetic refrigerant material, regenerator and magnetic refrigeratorMEOMAX CO LTD·Filed 2002·Granted Dec 7, 2004·128 cites·16 claims
- 0295US6695929B2Method of making material alloy for iron-based rare earth magnetSUMITOMO SPECIAL CO LTD·Filed 2002·Granted Feb 24, 2004·59 cites·10 claims
- 0392US7670443B2Magnetic alloy material and method of making the magnetic alloy materialHITACHI METALS LTD·Filed 2007·Granted Mar 2, 2010·22 cites·3 claims
- 0487US6790296B2Nanocomposite magnet and method for producing sameNEOMAX CO LTD·Filed 2001·Granted Sep 14, 2004·28 cites·6 claims
- 0586US7578892B2Magnetic alloy material and method of making the magnetic alloy materialHITACHI METALS LTD·Filed 2006·Granted Aug 25, 2009·16 cites·14 claims
- 0686US6814776B2Iron base rare earth alloy powder and compound comprising iron base rare earth alloy powder and permanent magnet using the sameNEOMAX CO LTD·Filed 2002·Granted Nov 9, 2004·37 cites·26 claims
- 0786US6302972B1Nanocomposite magnet material and method for producing nanocomposite magnetSUMITOMO SPEC METALS·Filed 1999·Granted Oct 16, 2001·49 cites·16 claims
- 0884US7186303B2Magnetic alloy material and method of making the magnetic alloy materialNEOMAX CO LTD·Filed 2003·Granted Mar 6, 2007·22 cites·10 claims
- 0984US6890392B2Nanocomposite magnet and method for producing sameNEOMAX CO LTD·Filed 2002·Granted May 10, 2005·22 cites·29 claims
- 1083US6706124B2Permanent magnet including multiple ferromagnetic phases and method of producing the magnetSUMITOMO SPEC METALS·Filed 2001·Granted Mar 16, 2004·24 cites·29 claims
- 1176US8128758B2R-Fe-B microcrystalline high-density magnet and process for production thereofNOZAWA NORIYUKI·Filed 2008·Granted Mar 6, 2012·10 cites·14 claims
- 1276US7547365B2Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnetHITACHI METALS LTD·Filed 2005·Granted Jun 16, 2009·6 cites·1 claims
- 1375US5545266ARare earth magnets and alloy powder for rare earth magnets and their manufacturing methodsSUMITOMO SPEC METALS·Filed 1994·Granted Aug 13, 1996·26 cites·12 claims
- 1474US6471786B1Method for preparing nanocomposite magnet powder and method for producing nanocomposite magnetSUMITOMO SPEC METALS·Filed 2000·Granted Oct 29, 2002·16 cites·16 claims
- 1571US7004228B2Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnetNEOMAX CO LTD·Filed 2001·Granted Feb 28, 2006·14 cites·8 claims
- 1669US7507302B2Method for producing nanocomposite magnet using atomizing methodHITACHI METALS LTD·Filed 2002·Granted Mar 24, 2009·11 cites·10 claims
- 1765US6019859AIron-based permanent magnets and their fabrication as well as iron-based permanent magnet alloy powders for permanent bonded magnets and iron-based bonded magnetsSUMITOMO SPEC METALS·Filed 1996·Granted Feb 1, 2000·22 cites·32 claims
- 1863USRE37666EIron-based permanent magnets and their fabrication as well as iron-based permanent magnet alloy powders for permanent bonded magnets and iron-based bonded magnetsSUMITOMO SPEC METALS·Filed 2000·Granted Apr 23, 2002·7 cites·32 claims
- 1963US5167914ARare earth magnet having excellent corrosion resistanceSUMITOMO SPEC METALS·Filed 1991·Granted Dec 1, 1992·17 cites·19 claims
- 2062US8268093B2R-Fe-B porous magnet and method for producing the sameNISHIUCHI TAKESHI·Filed 2007·Granted Sep 18, 2012·4 cites·9 claims
- 2162US7217328B2Compound for rare-earth bonded magnet and bonded magnet using the compoundNEOMAX CO LTD·Filed 2003·Granted May 15, 2007·9 cites·20 claims
- 2260US5425818ARare earth-iron-nitrogen system permanent magnet and process for producing the sameSUMITOMO SPEC METALS·Filed 1993·Granted Jun 20, 1995·16 cites·20 claims
- 2359US5200001APermanent magnetSUMITOMO SPEC METALS·Filed 1990·Granted Apr 6, 1993·17 cites·26 claims
- 2456US7988797B2Nano-composite magnet, quenched alloy for nano-composite magnet, and method for producing them and method for distinguishing themHITACHI METALS LTD·Filed 2010·Granted Aug 2, 2011·0 cites·4 claims
- 2556US6386269B1Method of manufacturing thin plate magnet having microcrystalline structureSUMITOMO SPEC METALS·Filed 1998·Granted May 14, 2002·13 cites·7 claims
- 2656US6338761B1Iron-based permanent magnets and their fabrication as well as iron-based permanent magnet alloy powders for permanent bonded magnets and iron-based bonded magnetsSUMITOMO SPEC METALS·Filed 2000·Granted Jan 15, 2002·3 cites·6 claims
- 2756US6287391B1Method of producing laminated permanent magnetSUMITOMO SPEC METALS·Filed 1998·Granted Sep 11, 2001·14 cites·4 claims
- 2855US7208097B2Iron-based rare earth alloy nanocomposite magnet and method for producing the sameNEOMAX CO LTD·Filed 2002·Granted Apr 24, 2007·5 cites·19 claims
- 2955US6168673B1Sheet magnet having microcrystalline structure and method of manufacturing the same, and method of manufacturing isotropic permanent magnet powderSUMITOMO SPEC METALS·Filed 1997·Granted Jan 2, 2001·13 cites·6 claims
- 3049US9418786B2R—Fe—B porous magnet and method for producing the sameNISHIUCHI TAKESHI·Filed 2012·Granted Aug 16, 2016·0 cites·9 claims
- 3148US2009129966A1Iron-based rare-earth-containing nanocomposite magnet and process for producing the sameHITACHI METALS LTD·Filed 2006·Application pending·0 cites
- 3248US2007131309A1Nano-composite magnet, quenched alloy for nano-composite magnet, and method for producing them and method for distinguishing themNEOMAX CO LTD·Filed 2004·Application pending·0 cites
- 3345US6329894B1Thin plate magnet having microcrystalline structureSUMITOMO SPEC METALS·Filed 1998·Granted Dec 11, 2001·8 cites·2 claims
- 3442US7261781B2Nanocomposite magnetNEOMAX CO LTD·Filed 2002·Granted Aug 28, 2007·0 cites·4 claims
- 3541US2004031543A1Magnetically anisotropic sintered magnetsFiled 2003·Application pending·0 cites
- 3641US2013068992A1Method for producing rare earth permanent magnets, and rare earth permanent magnetsHONO KAZUHIRO·Filed 2011·Application pending·0 cites
- 3740US2002139447A1Magnetically anisotropic sintered magnetsFiled 2002·Application pending·0 cites
- 3839US7297213B2Permanent magnet including multiple ferromagnetic phases and method for producing the magnetNEOMAX CO LTD·Filed 2003·Granted Nov 20, 2007·0 cites·8 claims
- 3939US2001023716A1Magnetically anisotropic sintered magnetsFiled 2001·Application pending·0 cites
- 4038US6585831B2Method of making iron base magnetic material alloy powderSUMITOMO SPEC METALS·Filed 2000·Granted Jul 1, 2003·0 cites·8 claims
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