Inventor · disambiguated record
Kikuo Kusukawa
Also filed as: KUSUKAWA KIKUO
25 granted patents·2 pending applications·843 citations·filing 1987–2014
96Inventor score
Files withHITACHI LTD12HITACHI GLOBAL STORAGE TECH7NUNOKAWA ISAO3HITACHI GLOBAL STORAGE TECH NL2KUSUKAWA KIKUO1
Top patents by PatentIndex Score
27 records- 0199US5609511APolishing methodHITACHI LTD·Filed 1995·Granted Mar 11, 1997·413 cites·13 claims
- 0294US8472135B1Microwave-assisted magnetic recording head having a current confinement structureKUSUKAWA KIKUO·Filed 2012·Granted Jun 25, 2013·66 cites·22 claims
- 0394US7280321B2Magnetoresistive headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Oct 9, 2007·18 cites·7 claims
- 0493US7154713B2CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the sameHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 26, 2006·16 cites·16 claims
- 0591US9007722B2High frequency magnetic field assisted magnetic recording headHITACHI LTD·Filed 2013·Granted Apr 14, 2015·14 cites·7 claims
- 0691US7710685B2Magnetic head main pole with leading and trailing edges of different lengths and progessively increasing cross-sectional area in a height-directionHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted May 4, 2010·12 cites·7 claims
- 0790US7031119B2CPP-type magnetic head with less deformation and a magnetic recording/reproducing system using the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 18, 2006·28 cites·6 claims
- 0888US8917481B2High frequency magnetic field assisted magnetic recording head, and method of manufacturing sameHITACHI LTD·Filed 2014·Granted Dec 23, 2014·9 cites·8 claims
- 0988US5772780APolishing agent and polishing methodHITACHI LTD·Filed 1995·Granted Jun 30, 1998·68 cites·22 claims
- 1087US4937641ASemiconductor memory and method of producing the sameHITACHI LTD·Filed 1987·Granted Jun 26, 1990·67 cites·11 claims
- 1186US6043155APolishing agent and polishing methodHITACHI LTD·Filed 1998·Granted Mar 28, 2000·56 cites·2 claims
- 1282US8107193B2Perpendicular magnetic recording headNUNOKAWA ISAO·Filed 2010·Granted Jan 31, 2012·7 cites·12 claims
- 1381US8335051B2Perpendicular magnetic recording head having a magnetic layer overhanging a trailing side of a main pole and method of manufacture thereofNUNOKAWA ISAO·Filed 2009·Granted Dec 18, 2012·5 cites·17 claims
- 1474US7895732B2Method for manufacturing a perpendicular magnetic recording headHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Mar 1, 2011·2 cites·10 claims
- 1571US6999270B2Magnetic head and a magnetic disk driveHITACHI LTD·Filed 2003·Granted Feb 14, 2006·8 cites·23 claims
- 1666US7274542B2Magnetic sensor having a free layer containing a single magnetic domainHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Sep 25, 2007·6 cites·10 claims
- 1760US8351153B2Magnetic recording head, method of manufacturing the same, and magnetic recording/reproducing deviceHITACHI GLOBAL STORAGE TECH NL·Filed 2009·Granted Jan 8, 2013·0 cites·12 claims
- 1856US6657248B1Semiconductor device having groove isolation structure and gate oxide films with different thicknessHITACHI LTD·Filed 1999·Granted Dec 2, 2003·20 cites·9 claims
- 1952US7092217B2Magnetoresistive headHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Aug 15, 2006·1 cites·12 claims
- 2051US6204184B1Method of manufacturing semiconductor devicesHITACHI LTD·Filed 1999·Granted Mar 20, 2001·12 cites·9 claims
- 2151US2009154021A1Perpendicular magnetic recording headNUNOKAWA ISAO·Filed 2008·Application pending·0 cites
- 2250US4984038ASemiconductor memory and method of producing the sameHITACHI LTD·Filed 1988·Granted Jan 8, 1991·14 cites·6 claims
- 2349US7026245B2Polishing agent and polishing methodRENESAS TECH CORP·Filed 2003·Granted Apr 11, 2006·1 cites·23 claims
- 2447US7389578B2Manufacturing method of a perpendicular recording magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 24, 2008·0 cites·10 claims
- 2542US6498100B2Method of manufacturing semiconductor devicesHITACHI LTD·Filed 2001·Granted Dec 24, 2002·0 cites·10 claims
- 2641US6380085B2Method of manufacturing semiconductor devicesHITACHI LTD·Filed 2000·Granted Apr 30, 2002·0 cites·2 claims
- 2741US2002068452A1Polishing agent and polishing methodFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →