Inventor · disambiguated record
Tetsuya Hamaguchi
Also filed as: HAMAGUCHI TETSUYA
25 granted patents·2 pending applications·383 citations·filing 1994–2007
96Inventor score
Files withHITACHI LTD18HITACHI GLOBAL STORAGE TECH5FURUKAWA ELECTRIC CO LTD1NEC CORP1RIKIHISA HIROAKI1
Top patents by PatentIndex Score
27 records- 0192US6597532B1Information recording disk apparatusHITACHI LTD·Filed 2000·Granted Jul 22, 2003·44 cites·8 claims
- 0288US7545607B2Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 9, 2009·6 cites·6 claims
- 0388US6549377B2Magnetic disk drive with a movable ramp mechanism for relieving impact upon loading and unloadingHITACHI LTD·Filed 2002·Granted Apr 15, 2003·22 cites·7 claims
- 0487US7632388B2Liquid actuatorFURUKAWA ELECTRIC CO LTD·Filed 2007·Granted Dec 15, 2009·14 cites·38 claims
- 0587US6369988B1Magnetic disk drive with a movable ramp mechanism for relieving impact upon loading and unloadingHITACHI LTD·Filed 1999·Granted Apr 9, 2002·43 cites·16 claims
- 0685US5999369AMagnetic disk apparatusHITACHI LTD·Filed 1997·Granted Dec 7, 1999·39 cites·2 claims
- 0781US7110223B2Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 19, 2006·3 cites·6 claims
- 0881US6462910B1Magnetic disk apparatusHITACHI LTD·Filed 1999·Granted Oct 8, 2002·31 cites·6 claims
- 0978US6879467B2Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Apr 12, 2005·9 cites·11 claims
- 1076US5835305AMagnetic disk apparatus employing liquid bearing type or physical contact type magnetic head sliderHITACHI LTD·Filed 1994·Granted Nov 10, 1998·24 cites·37 claims
- 1174US6373659B1Magnetic slider head and method of producing the sameHITACHI LTD·Filed 2000·Granted Apr 16, 2002·8 cites·4 claims
- 1272US6982852B2Carriage arm assembly for magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jan 3, 2006·10 cites·16 claims
- 1372US6069774AMagnetic head support device for magnetic disc recording deviceHITACHI LTD·Filed 1999·Granted May 30, 2000·21 cites·2 claims
- 1469US5820964AMagnetic disk, and magnetic disk apparatusHITACHI LTD·Filed 1995·Granted Oct 13, 1998·22 cites·35 claims
- 1566US6307716B1Magnetic disk deviceHITACHI LTD·Filed 1999·Granted Oct 23, 2001·18 cites·6 claims
- 1666US6226155B1Ramp load type magnetic disk unitHITACHI LTD·Filed 1999·Granted May 1, 2001·17 cites·7 claims
- 1764US6636385B2Magnetic disc apparatus having actuator for head positioning mechanismHITACHI LTD·Filed 2001·Granted Oct 21, 2003·5 cites·6 claims
- 1864US6490116B1Retraction control method and magnetic disk apparatusHITACHI LTD·Filed 1999·Granted Dec 3, 2002·16 cites·5 claims
- 1959US6839956B2Method for assembling disc apparatusHITACHI LTD·Filed 2001·Granted Jan 11, 2005·8 cites·13 claims
- 2058US6876513B2Rotary disk type storage deviceHITACHI LTD·Filed 2002·Granted Apr 5, 2005·3 cites·20 claims
- 2156US6122148AMagnetic head slider and method of production thereofHITACHI LTD·Filed 1996·Granted Sep 19, 2000·10 cites·10 claims
- 2255US7031118B2Carriage arm assembly for locating magnetic head, and magnetic disk apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 18, 2006·0 cites·5 claims
- 2348US5530605AMagnetic-head slider support mechanism and magnetic recording apparatusHITACHI LTD·Filed 1994·Granted Jun 25, 1996·7 cites·14 claims
- 2444US8118886B2Fuel mixture, fuel reliquefying system, fuel cartridge using the same, and method of extracting fuel; for fuel cellsRIKIHISA HIROAKI·Filed 2007·Granted Feb 21, 2012·0 cites·22 claims
- 2538US5930082AMagnetic head support device for magnetic disc recording deviceHITACHI LTD·Filed 1997·Granted Jul 27, 1999·3 cites·12 claims
- 2635US2007224847A1Connector resiliently deformed easily with small load and method of manufacturing the sameNEC CORP·Filed 2007·Application pending·0 cites
- 2734US2006281340A1Connector resiliently deformed easily with small load and method of manufacturing the sameUNIV TOKYO·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →