Inventor · disambiguated record
Masashi Shiraishi
Also filed as: SHIRAISHI MASASHI
156 granted patents·42 pending applications·2,784 citations·filing 1992–2024
99Inventor score
Top patents by PatentIndex Score
198 records- 0198US7379274B2Rotational PZT micro-actuator, head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2005·Granted May 27, 2008·49 cites·22 claims
- 0298US7015689B2Connection method for probe pins for measurement of characteristics of thin-film magnetic head and characteristic measurement method for thin-film magnetic headSAE MAGNETICS HK LTD·Filed 2003·Granted Mar 21, 2006·110 cites·8 claims
- 0398US6671131B2Precise positioning actuator for head element, head gimbal assembly with the actuator and manufacturing method of head gimbal assemblySAE MAGNETICS HK LTD·Filed 2002·Granted Dec 30, 2003·105 cites·38 claims
- 0497US10999684B1MEMS microphone and method of manufacturing the MEMS microphoneSAE MAGNETICS HK LTD·Filed 2020·Granted May 4, 2021·15 cites·15 claims
- 0597US7688552B2Head gimbal assembly having dimple-shaft limiter and manufacturing method thereof and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2006·Granted Mar 30, 2010·47 cites·23 claims
- 0697US7408745B2Sway-type micro-actuator with slider holding arms for a disk drive head gimbal assemblySAE MAGNETICS HK LTD·Filed 2005·Granted Aug 5, 2008·48 cites·5 claims
- 0797US7159300B2Method for manufacturing a suspension design for a co-located PZT micro-actuatorSAE MAGNETICS HK LTD·Filed 2005·Granted Jan 9, 2007·56 cites·8 claims
- 0897US6700749B2Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly, manufacturing method of actuator and manufacturing method of head gimbal assemblyTDK CORP·Filed 2001·Granted Mar 2, 2004·95 cites·28 claims
- 0996US7359154B2Method and apparatus for connecting a micro-actuator to driver arm suspensionSAE MAGNETICS HK LTD·Filed 2007·Granted Apr 15, 2008·22 cites·33 claims
- 1096US6950288B2Integrated method and device for a dual stage micro-actuator and suspension design for the hard disk driverSAE MAGNETICS HK LTD·Filed 2003·Granted Sep 27, 2005·62 cites·35 claims
- 1196US6891700B2Head gimbal assemblySAE MAGNETICS HK LTD·Filed 2002·Granted May 10, 2005·69 cites·16 claims
- 1295US6943991B2Suspension design for the co-located PZT micro-actuatorSAE MAGNETICS HK LTD·Filed 2003·Granted Sep 13, 2005·45 cites·16 claims
- 1395US6839204B2Head gimbal assembly with a ground or source voltage lead conductorTDK CORP·Filed 2001·Granted Jan 4, 2005·52 cites·13 claims
- 1495US6751062B2Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanismSAE MAGNETICS HK LTD·Filed 2002·Granted Jun 15, 2004·47 cites·12 claims
- 1594US7525769B2Micro-actuator having swing support to allow horizontal swinging movement of slider supportSAE MAGNETICS HK LTD·Filed 2004·Granted Apr 28, 2009·36 cites·9 claims
- 1694US6934127B2Precise positioning actuator for head element, head gimbal assembly with the actuator and disk drive apparatus with the head gimbal assemblySAE MAGNETICS HK LTD·Filed 2003·Granted Aug 23, 2005·45 cites·30 claims
- 1794US6771466B2Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanismSAE MAGNETICS HK LTD·Filed 2002·Granted Aug 3, 2004·49 cites·25 claims
- 1894US6771467B2Vibration-canceling mechanism and head gimbal assembly with the vibration-canceling mechanismSAE MAGNETICS HK LTD·Filed 2002·Granted Aug 3, 2004·44 cites·23 claims
- 1994US6690551B2Precise positioning actuator for head element, head gimbal assembly with the actuator, disk drive apparatus with the head gimbal assembly and manufacturing method of head gimbal assemblyTDK CORP·Filed 2001·Granted Feb 10, 2004·39 cites·33 claims
- 2094US6282062B1Magnetic head apparatus with head IC chipTDK CORP·Filed 1999·Granted Aug 28, 2001·84 cites·12 claims
- 2193US7554773B2Micro-actuator, head gimbal assembly and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2005·Granted Jun 30, 2009·17 cites·19 claims
- 2293US7474512B2Miro-actuator, head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2005·Granted Jan 6, 2009·17 cites·32 claims
- 2393US7417831B2Micro-actuator and head gimbal assembly for a disk drive deviceSAE MAGNETICS HK LTD·Filed 2005·Granted Aug 26, 2008·16 cites·25 claims
- 2493US7298593B2Micro-actuator including a leading beam pivot part, head gimbal assembly and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2004·Granted Nov 20, 2007·37 cites·20 claims
- 2593US6653763B2Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuatorsSAE MAGNETICS HK LTD·Filed 2001·Granted Nov 25, 2003·38 cites·19 claims
- 2693US5995329AHard magnetic disc unit having head gimbal assembliesTDK CORP·Filed 1998·Granted Nov 30, 1999·93 cites·4 claims
- 2793US5754368ASuspension, slider-suspension assembly, assembly carriage device and manufacturing method of suspensionTDK CORP·Filed 1996·Granted May 19, 1998·80 cites·22 claims
- 2893US5657186ADevice for supporting a magnetic head slider and magnetic head apparatus provided with the device including grounding electrical connectionTDK CORP·Filed 1995·Granted Aug 12, 1997·96 cites·9 claims
- 2992US7609487B2Thin-film PZT micro-actuator integral with suspension of head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2006·Granted Oct 27, 2009·21 cites·45 claims
- 3091US7099115B2Head gimbal assembly with precise positioning actuator for head element, disk drive apparatus with the head gimbal assembly, and manufacturing method of the head gimbal assemblySAE MAGNETICS HK LTD·Filed 2002·Granted Aug 29, 2006·35 cites·57 claims
- 3191US6760194B2Head gimbal assembly with piezoelectric microactuatorSAE MAGENTICS HK LTD·Filed 2003·Granted Jul 6, 2004·48 cites·6 claims
- 3291US6703566B1Bonding structure for a hard disk drive suspension using anisotropic conductive filmSAE MAGNETICS HK LTD·Filed 2000·Granted Mar 9, 2004·47 cites·19 claims
- 3391US6381104B1Write/read head supporting mechanism, and write/read systemTDK CORP·Filed 1999·Granted Apr 30, 2002·67 cites·23 claims
- 3490US6829818B2Manufacturing method of a head gimbal assemblyTDK CORP·Filed 2001·Granted Dec 14, 2004·27 cites·11 claims
- 3590US6680826B2Head gimbal assembly with piezoelectric microactuatorSAE MAGNETICS HK LTD·Filed 2001·Granted Jan 20, 2004·29 cites·10 claims
- 3689US7446970B2Magnetic head assembly, magnetic disk drive and posture control method for magnetic head sliderSAE MAGNETICS HK LTD·Filed 2005·Granted Nov 4, 2008·10 cites·27 claims
- 3789US6747848B2Head gimbal assembly with precise positioning actuator for head elementSAE MAGNETICS HK LTD·Filed 2002·Granted Jun 8, 2004·25 cites·21 claims
- 3889US6564988B1Manufacturing method of head suspension assembly with IC chipTDK CORP·Filed 2000·Granted May 20, 2003·25 cites·20 claims
- 3989US6459548B1Head suspension assembly with flexible air-floating leadTDK CORP·Filed 2000·Granted Oct 1, 2002·28 cites·14 claims
- 4088US7660079B2Method and system of using a step plate mechanically formed in a disk drive suspension flexure to mount a micro-actuator to the flexureSAE MAGNETICS HK LTD·Filed 2006·Granted Feb 9, 2010·12 cites·27 claims
- 4188US7205484B2Bonding structure for a hard disk drive suspension using anisotropic conductive filmSAE MAGNETICS HK LTD·Filed 2003·Granted Apr 17, 2007·21 cites·9 claims
- 4288US6956722B2Lead conductor member for thin-film magnetic head and head gimbal assembly, using temporarily connected test connection padsSAE MAGNETICS HK LTD·Filed 2002·Granted Oct 18, 2005·24 cites·24 claims
- 4387US7468869B2Micro-actuator, micro-actuator suspension, and head gimbal assembly with the sameSAE MAGNETICS HK LTD·Filed 2006·Granted Dec 23, 2008·7 cites·20 claims
- 4487US6075676AHead assembly including shorted head leads for preventing damage of head during manufacture of a magnetic storage systemFUJITSU LTD·Filed 1998·Granted Jun 13, 2000·60 cites·14 claims
- 4587US5880908AGimbal assembly for a magnetic head slider and a suspension for supporting and fixing the magnetic head sliderTDK CORP·Filed 1997·Granted Mar 9, 1999·50 cites·28 claims
- 4685US7433159B2Micro-actuator unit, head gimbal assembly, and disk drive unit with vibration cancellerSAE MAGNETICS HK LTD·Filed 2005·Granted Oct 7, 2008·6 cites·15 claims
- 4785US6775107B2Head gimbal assembly with precise positioning actuator for head elementSAE MAGNETICS HK LTD·Filed 2002·Granted Aug 10, 2004·19 cites·8 claims
- 4885US6751069B2Method and apparatus for improved attachment of a micro-actuator to a slider deviceSAE MAGNETICS HK LTD·Filed 2002·Granted Jun 15, 2004·16 cites·21 claims
- 4984US6831815B2Head slider precise positioning actuator including a base section and a pair of movable armsSAE MAGNETICS HK LTD·Filed 2002·Granted Dec 14, 2004·17 cites·37 claims
- 5084US6636382B2Multilayer suspension, head gimbal assemblySAE MAGNETICS HK LTD·Filed 2001·Granted Oct 21, 2003·25 cites·23 claims
Showing the top 50 of 198 patent records by PatentIndex Score.
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