Inventor · disambiguated record
Masashi Sano
Also filed as: SANO MASASHI
63 granted patents·2 pending applications·1,232 citations·filing 1993–2022
99Inventor score
Top patents by PatentIndex Score
65 records- 0199US6773515B2FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structuresHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Aug 10, 2004·120 cites·11 claims
- 0297US7477491B2GMR device having an improved free layerHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Jan 13, 2009·42 cites·13 claims
- 0397US7262941B2FeTa nano-oxide layer as a capping layer for enhancement of giant magnetoresistance in bottom spin valve structuresHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Aug 28, 2007·108 cites·22 claims
- 0496US6998150B2Method of adjusting CoFe free layer magnetostrictionHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Feb 14, 2006·84 cites·17 claims
- 0596US5862022AFerromagnetic tunnel junction, magnetoresistive element and magnetic headTDK CORP·Filed 1997·Granted Jan 19, 1999·128 cites·52 claims
- 0691US6600167B2Medium discerning apparatus with optical sensorROHM CO LTD·Filed 2001·Granted Jul 29, 2003·45 cites·8 claims
- 0789US6581272B1Method for forming a bottom spin valve magnetoresistive sensor elementHEADWAY TECHNOLOGIES INC·Filed 2002·Granted Jun 24, 2003·24 cites·22 claims
- 0887US6603148B1Semiconductor deviceROHM CO LTD·Filed 1999·Granted Aug 5, 2003·88 cites·4 claims
- 0986US6567247B1Magnetoresistance effect type headTDK CORP·Filed 2000·Granted May 20, 2003·21 cites·24 claims
- 1086US5958611AMagnetic multilayered film, magnetoresistance effect element and magnetoresistance deviceTDK CORP·Filed 1997·Granted Sep 28, 1999·47 cites·19 claims
- 1185US7983001B2Slider mounted magnetic head having a perpendicular recording head with a main pole having a ruthenium(Ru) electrode filmTDK CORP·Filed 2007·Granted Jul 19, 2011·6 cites·11 claims
- 1284US7224553B2Thin-film magnetic head, head gimbal assembly, and hard disk drive incorporating a heaterTDK CORP·Filed 2004·Granted May 29, 2007·21 cites·7 claims
- 1382US8972741B2Method of modification of authorization details for a biometrics authentication device, biometrics authentication method, and biometrics authentication deviceAWATSU KIYOTAKA·Filed 2006·Granted Mar 3, 2015·15 cites·7 claims
- 1482US8462469B1Magneto-resistive effect element having FePt bias magnetic field application layer with Pt seed layer and MgO insulation layerKANAYA TAKAYASU·Filed 2012·Granted Jun 11, 2013·6 cites·12 claims
- 1582US8243387B2Magnetic head with plated magnetic film formed on PdNi alloy electrode filmYAMAGUCHI ATSUSHI·Filed 2007·Granted Aug 14, 2012·5 cites·26 claims
- 1681US6486543B1Packaged semiconductor device having bent leadsROHM CO LTD·Filed 1999·Granted Nov 26, 2002·77 cites·13 claims
- 1780US8896974B2Thin film magnetic head with side layers under compression stressTDK CORP·Filed 2013·Granted Nov 25, 2014·5 cites·15 claims
- 1880US8085491B2Method of determining flying height of magnetic headANTOKU YOSUKE·Filed 2010·Granted Dec 27, 2011·7 cites·7 claims
- 1979US7643247B2β-phase tantalum thin-film resistor and thin-film magnetic head with the resistorTDK CORP·Filed 2006·Granted Jan 5, 2010·10 cites·27 claims
- 2078US7859792B2Magnetic head with a recording element including a non-magnetic film and a magnetic pole film of an electrode and plated film formed in a depression of the magnetic pole filmTDK CORP·Filed 2007·Granted Dec 28, 2010·3 cites·25 claims
- 2178US7453079B2Surface mount type photo-interrupter and method for manufacturing the sameROHM CO LTD·Filed 2006·Granted Nov 18, 2008·8 cites·7 claims
- 2275US8373947B1Magnetic head slider including protective film for head-to-medium spacing detecting elementTDK CORP·Filed 2011·Granted Feb 12, 2013·4 cites·14 claims
- 2374US7848055B2Magnetic head with an electrode film including different film thicknessesTDK CORP·Filed 2007·Granted Dec 7, 2010·2 cites·24 claims
- 2474US6909583B2FeTa nano-oxide layer in pinned layer for enhancement of giant magnetoresistance in bottom spin valve structuresHEADWAY TECHNOLOGIES INC·Filed 2003·Granted Jun 21, 2005·8 cites·17 claims
- 2574US6657828B2Magnetic transducer with a higher rate and larger magnitude of resistance changeTDK CORP·Filed 2001·Granted Dec 2, 2003·9 cites·12 claims
- 2673US6661623B1Magnetic transducer with interlayer thin-film magnetic head and method of manufacturing thereofTDK CORP·Filed 1999·Granted Dec 9, 2003·21 cites·24 claims
- 2772US6677580B1Photo-interrupter and semiconductor device using itROHM CO LTD·Filed 2000·Granted Jan 13, 2004·14 cites·5 claims
- 2872US6195239B1Magnetoresistance effect film and magnetoresistance effect type headTDK CORP·Filed 1999·Granted Feb 27, 2001·23 cites·19 claims
- 2970US7155808B2Method of making thin film magnetic headTDK CORP·Filed 2004·Granted Jan 2, 2007·7 cites·2 claims
- 3069US6344689B1Optical semiconductor device for surface mountingROHM CO LTD·Filed 2000·Granted Feb 5, 2002·16 cites·13 claims
- 3169US6011254APhotoelectric tilt-detecting sensor and method of fabricating the sameROHM CO LTD·Filed 1996·Granted Jan 4, 2000·32 cites·6 claims
- 3268US8144427B2Magnetic head, head assembly and magnetic recording/reproducing apparatusANTOKU YOSUKE·Filed 2008·Granted Mar 27, 2012·1 cites·11 claims
- 3367US6639763B1Magnetic transducer and thin film magnetic headTDK CORP·Filed 2000·Granted Oct 28, 2003·6 cites·16 claims
- 3465US8564905B1Thin-film magnetic head and method of making where the head includes an antireflection film covering a leading shieldUMEHARA HIROMICHI·Filed 2012·Granted Oct 22, 2013·2 cites·32 claims
- 3565US7715153B2Magnetoresistive effect element having inner and outer pinned layers including a cobalt iron alloyTDK CORP·Filed 2005·Granted May 11, 2010·3 cites·16 claims
- 3665US7508957B2Method of registration of authorized agent information for a biometrics authentication device, authentication method for a biometrics authentication device, and biometrics authentication deviceFUJITSU LTD·Filed 2005·Granted Mar 24, 2009·3 cites·27 claims
- 3765US6717256B1Mounting structure for semiconductor device having entirely flat leadsROHM CO LTD·Filed 1999·Granted Apr 6, 2004·27 cites·3 claims
- 3864US8817417B2Perpendicular magnetic write head and magnetic recording deviceTDK CORP·Filed 2012·Granted Aug 26, 2014·1 cites·16 claims
- 3964US6090498AMagnetoresistance effect element and magnetoresistance deviceTDK CORP·Filed 1997·Granted Jul 18, 2000·39 cites·46 claims
- 4063US7508958B2IC card access control method for biometrics authentication, biometrics authentication method, and biometrics authentication deviceFUJITSU LTD·Filed 2005·Granted Mar 24, 2009·5 cites·15 claims
- 4163US6646834B2Magnetic transducer, thin film magnetic head, method of manufacturing magnetic transducer and method of manufacturing thin film magnetic headTDK CORP·Filed 2001·Granted Nov 11, 2003·10 cites·22 claims
- 4263US6430012B1Magnetoresistance effect film and magnetoresistance effect type head having specified antiferromagnetic promote layerTDK CORP·Filed 1999·Granted Aug 6, 2002·16 cites·17 claims
- 4362US6636393B1Magnetic transducer and thin-film magnetic head having a stacked structure including an interlayer having a high electrical resistanceTDK CORP·Filed 1999·Granted Oct 21, 2003·23 cites·39 claims
- 4455US7274540B2Magnetoresistive head having an MR element between a pair of shields and including first and second underlayersTDK CORP·Filed 2004·Granted Sep 25, 2007·2 cites·9 claims
- 4553US6920022B1Magnetic transducer, thin film magnetic head, method of manufacturing magnetic transducer and method of manufacturing thin film magnetic headTDK CORP·Filed 2001·Granted Jul 19, 2005·2 cites·13 claims
- 4652US2023104024A1Application management program, information processing device, and application management systemYAPPLI INC·Filed 2022·Application pending·0 cites
- 4749US8574729B2Magnetic structure including two ferromagnetically coupled magnetic layers and method of manufacturing sameMAKINO KENZO·Filed 2008·Granted Nov 5, 2013·0 cites·14 claims
- 4849US6995358B2Reflective sensor, filter for reflective sensor, and method of detecting object using the sameROHM CO LTD·Filed 2003·Granted Feb 7, 2006·7 cites·7 claims
- 4948US8379346B1Method of forming metal to a concave portion of a substrate, method of manufacturing a magnetic head and a magnetic headTDK CORP·Filed 2011·Granted Feb 19, 2013·0 cites·19 claims
- 5048US6927486B2Photo-interrupter and semiconductor device using the sameROHM CO LTD·Filed 2003·Granted Aug 9, 2005·1 cites·7 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masashi Sano files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →