Inventor · disambiguated record
Minggao Yao
Also filed as: YAO MINGGAO
53 granted patents·17 pending applications·637 citations·filing 2002–2020
98Inventor score
Top patents by PatentIndex Score
70 records- 0197US7719798B2Rotational micro-actuator integrated with suspension of head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2006·Granted May 18, 2010·63 cites·30 claims
- 0297US7688552B2Head 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
- 0397US7408745B2Sway-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
- 0496US8194359B2Piezoelectric element having etched portion to form stepped recesses between layers and manufacturing method thereof, head gimbal assembly, and disk drive device with the sameYAO MINGGAO·Filed 2008·Granted Jun 5, 2012·40 cites·11 claims
- 0596US8089728B2Head gimbal assembly, suspension for the head gimbal assembly, and disk drive unit with the sameYAO MINGGAO·Filed 2009·Granted Jan 3, 2012·38 cites·24 claims
- 0696US7768746B2Rotational micro-actuator with a rotatable plate, head gimbal assembly and disk drive device with the sameSAE MAGNETICS HK LTD·Filed 2005·Granted Aug 3, 2010·47 cites·30 claims
- 0794US7768276B2Systems and methods for identifying problems with PZT elements of micro-actuatorsSAE MAGNETICS HK LTD·Filed 2006·Granted Aug 3, 2010·18 cites·17 claims
- 0894US7663843B2Flex cable frame assembly for micro-actuator and flex cable suspension assembly for HGA of disk drive deviceSAE MAGNETICS HK LTD·Filed 2005·Granted Feb 16, 2010·19 cites·24 claims
- 0993US7733607B2Suspension with strengthening plate, head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2006·Granted Jun 8, 2010·17 cites·15 claims
- 1093US7538984B2Rotational PZT micro-actuator with a rotatable plateSAE MAGNETICS HK LTD·Filed 2005·Granted May 26, 2009·16 cites·22 claims
- 1193US7474512B2Miro-actuator, head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2005·Granted Jan 6, 2009·17 cites·32 claims
- 1293US7417831B2Micro-actuator and head gimbal assembly for a disk drive deviceSAE MAGNETICS HK LTD·Filed 2005·Granted Aug 26, 2008·16 cites·25 claims
- 1393US7298593B2Micro-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
- 1492US7609487B2Thin-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
- 1591US8169745B2Head gimbal assembly having balanced weight, and disk drive unit with the sameYAO MINGGAO·Filed 2007·Granted May 1, 2012·14 cites·14 claims
- 1691US7701675B2Micro-actuator mounting structure capable of maintaining a substantially constant gap between a top support of a micro-actuator and a suspension during useSAE MAGNETICS HK LTD·Filed 2005·Granted Apr 20, 2010·12 cites·35 claims
- 1790US8130469B2Suspension, head gimbal assembly and/or disk drive unit including outrigger with spring beams, and/or manufacturing method thereofYAO MINGGAO·Filed 2007·Granted Mar 6, 2012·11 cites·18 claims
- 1890US7471490B2Micro-actuator including U-shaped frame and metal support frame, and manufacturing method thereofSAE MAGNETICS HK LTD·Filed 2006·Granted Dec 30, 2008·10 cites·21 claims
- 1989US7843666B2Suspension, head gimbal assembly and manufacturing method thereof, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2007·Granted Nov 30, 2010·10 cites·24 claims
- 2089US7535680B2Micro-actuator with integrated trace and bonding pad supportSAE MAGNETICS HK LTD·Filed 2005·Granted May 19, 2009·11 cites·37 claims
- 2188US7660079B2Method 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
- 2287US8089732B2Thin film piezoelectric element and its manufacturing method, head gimbal assembly and disk drive unit with the sameYAO MINGGAO·Filed 2008·Granted Jan 3, 2012·7 cites·18 claims
- 2387US7468869B2Micro-actuator, micro-actuator suspension, and head gimbal assembly with the sameSAE MAGNETICS HK LTD·Filed 2006·Granted Dec 23, 2008·7 cites·20 claims
- 2486US8134809B2Disk drive head gimbal assembly including a PZT micro-actuator with a pair of separate PZT elementsYAO MINGGAO·Filed 2008·Granted Mar 13, 2012·7 cites·16 claims
- 2585US7433159B2Micro-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
- 2685US7405554B2Vehicle wheel speed and acceleration sensor and method for calculating the sameSAE MAGNETICS HK LTD·Filed 2006·Granted Jul 29, 2008·12 cites·12 claims
- 2783US7551405B2Rotational PZT micro-actuator with fine head position adjustment capacity, head gimbal assembly, and disk drive unit with sameSAE MAGNETICS HK LTD·Filed 2006·Granted Jun 23, 2009·5 cites·27 claims
- 2882US7554772B2Head gimbal assembly having an independent spacer therein and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2006·Granted Jun 30, 2009·4 cites·12 claims
- 2982US7525763B2Head gimbal assembly with particle filter device, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2005·Granted Apr 28, 2009·4 cites·9 claims
- 3082US7508634B2Micro-actuator, vibration canceller, head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2005·Granted Mar 24, 2009·4 cites·22 claims
- 3175US7518833B2Micro-actuator with electric spark preventing structure, HGA, and disk drive unit with the same, and manufacturing method thereofSAE MAGNETICS HK LTD·Filed 2005·Granted Apr 14, 2009·2 cites·22 claims
- 3274US7312956B2Micro-actuator, head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2004·Granted Dec 25, 2007·9 cites·21 claims
- 3373US8120881B2Head gimbal assembly and manufacturing method thereof, and disk drive device with the sameYAO MINGGAO·Filed 2008·Granted Feb 21, 2012·2 cites·18 claims
- 3473US7663829B2Performance test method of head gimbal assembly with precise positioning micro-actuatorSAE MAGNETICS HK LTD·Filed 2007·Granted Feb 16, 2010·2 cites·4 claims
- 3570US8125735B2Vibration sensor, suspension, head gimbal assembly and manufacturing method thereof, and disk drive unit including the sameYAO MINGGAO·Filed 2009·Granted Feb 28, 2012·1 cites·24 claims
- 3670US7225513B2Method for preventing operational and manufacturing imperfections in piezoelectric micro-actuatorsSAE MAGNETICS HK LTD·Filed 2004·Granted Jun 5, 2007·5 cites·7 claims
- 3770US6873497B2System and method for improving piezoelectric micro-actuator operation by preventing undesired micro-actuator motion hindrance and by preventing micro-actuator misalignment and damage during manufactureSAE MAGNETICS HK LTD·Filed 2002·Granted Mar 29, 2005·7 cites·30 claims
- 3869US8018686B2Head gimbal assembly for use in disk drive devices and method of making the sameSAE MAGNETICS HK LTD·Filed 2006·Granted Sep 13, 2011·1 cites·17 claims
- 3969US7684157B2Head gimbal assembly including first and second dimples, and disk drive unit including the sameSAE MAGNETICS HK LTD·Filed 2005·Granted Mar 23, 2010·1 cites·12 claims
- 4068US8225655B2Altitude sensing systems for flying height adjustmentYAO MINGGAO·Filed 2007·Granted Jul 24, 2012·1 cites·23 claims
- 4167US7596859B2Method for maintaining alignment of a hard disk micro-actuator and magnetic head with respect to a drive arm's suspension during the curing process of a bonding agent used in their couplingSAE MAGNETICS HK LTD·Filed 2002·Granted Oct 6, 2009·6 cites·11 claims
- 4266US7535681B2Micro-actuator including side arms having back-turned extensions, head gimbal assembly and disk drive unit with the sameSAE MAGENTICS H K LTD·Filed 2005·Granted May 19, 2009·1 cites·16 claims
- 4366US7051424B2Method and apparatus for electrically and physically coupling a micro-actuator and slider to a hard drive arm suspension for component replacement after detachment from the suspensionSAE MAGNETICS HK LTD·Filed 2002·Granted May 30, 2006·10 cites·32 claims
- 4461US2008273272A1Micro-Actuator, HGA Equipped with the Micro-Actuator and Method for Manufacturing the HGAYAO MINGGAO·Filed 2008·Application pending·0 cites
- 4560US8261458B2Geomagnetic sensor device and digital compass with the sameYAO MINGGAO·Filed 2011·Granted Sep 11, 2012·3 cites·12 claims
- 4660US8040640B2Slider and micro-actuator assembly, head gimbal assembly, and disk drive unit with the sameSAE MAGNETICS HK LTD·Filed 2009·Granted Oct 18, 2011·0 cites·15 claims
- 4759US7522383B2System and method for damage prevention by improving the shock resistance of a hard disk actuator armSAE MAGNETICS HK LTD·Filed 2006·Granted Apr 21, 2009·0 cites·8 claims
- 4859US2020395580A1BatteryDONGGUAN NVT TECH LIMITED·Filed 2020·Application pending·0 cites
- 4957US7142396B2System and method for damage prevention by improving the shock resistance of a hard disk actuator armSAE MAGNETICS HK LTD·Filed 2002·Granted Nov 28, 2006·2 cites·22 claims
- 5057US2008024039A1Micro-actuator, HGA equipped with the micro-actuator and method for manufacturing the HGASAE MAGNETICS HK LTD·Filed 2006·Application pending·0 cites
Showing the top 50 of 70 patent records by PatentIndex Score.
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