Inventor · disambiguated record
Kousaku Wakatsuki
Also filed as: WAKATSUKI KOUSAKU
15 granted patents·4 pending applications·253 citations·filing 1989–2014
93Inventor score
Files withHITACHI GLOBAL STORAGE TECH9HITACHI LTD5HGST Netherlands BV2SHIMIZU TOSHIHIKO2TAKADA SHIGENORI1
Top patents by PatentIndex Score
19 records- 0197US7130159B2Magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Oct 31, 2006·67 cites·19 claims
- 0296US6614627B1Magnetic disk apparatusHITACHI LTD·Filed 2000·Granted Sep 2, 2003·60 cites·12 claims
- 0391US7719796B2Suspension for hard disk drive which enables easy dynamic electric testingHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted May 18, 2010·15 cites·18 claims
- 0491US7110224B2Disk drive having a two-stage actuator for suppressing a flying-height fluctuationHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Sep 19, 2006·11 cites·4 claims
- 0587US5060098AMagnetic recorder provided with a magnetic head slider having a non-magnetic oxide of spinel structureHITACHI LTD·Filed 1989·Granted Oct 22, 1991·35 cites·5 claims
- 0686US6614623B2Disc drive head supporting mechanism having power supply pads for an integrated circuit which are of a greater area than signal/control junction padsHITACHI LTD·Filed 2001·Granted Sep 2, 2003·20 cites·12 claims
- 0781US7489478B2Magnetic disk drive head suspension having a lift tab which engages a limiterHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 10, 2009·5 cites·18 claims
- 0881US6927947B2Magnetic disk apparatusHITACHI LTD·Filed 2003·Granted Aug 9, 2005·10 cites·2 claims
- 0978US9449623B2Reducing ion migration in a hard disk drive microactuator flexure assemblyHGST Netherlands BV·Filed 2014·Granted Sep 20, 2016·4 cites·15 claims
- 1078US7652848B2Suspension for magnetic head slider characteristic testHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jan 26, 2010·3 cites·10 claims
- 1172US8351159B2Suspension for protecting a component from mechanical shockHGST Netherlands BV·Filed 2009·Granted Jan 8, 2013·2 cites·11 claims
- 1264US5196974ARail-type floating magnetic head sliderHITACHI LTD·Filed 1991·Granted Mar 23, 1993·16 cites·4 claims
- 1362US2009080117A1Magnetic disk apparatusSHIMIZU TOSHIHIKO·Filed 2008·Application pending·0 cites
- 1460US6950287B2Disk drive having a two-stage actuator for suppressing a flying-height fluctuationHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Sep 27, 2005·3 cites·4 claims
- 1558US2007041129A1Magnetic disk apparatusSHIMIZU TOSHIHIKO·Filed 2006·Application pending·0 cites
- 1653US2011096438A1Head-gimbal assembly with trace configured to reduce stress on a microactuator and disk drive including the head-gimbal assemblyTAKADA SHIGENORI·Filed 2009·Application pending·0 cites
- 1749US7460341B2Magnetic disk device and suspension having multiple arm portions of varying lengthsHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 2, 2008·0 cites·16 claims
- 1848US7009816B2Head support mechanism and magnetic disk deviceHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 7, 2006·2 cites·20 claims
- 1945US2006158782A1Magnetic head support, magnetic head assembly including the magnetic head support, and magnetic disk drive including the magnetic head assemblyHITACHI GLOBAL STORAGE TECH·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →