Inventor · disambiguated record
Osamu Beppu
Also filed as: BEPPU OSAMU
12 granted patents·1 pending application·134 citations·filing 1986–2007
91Inventor score
Top patents by PatentIndex Score
13 records- 0182US4704997ADevice for preventing abnormal flow of gas fuel from gas fuel injector of diesel engineMITSUI SHIPBUILDING ENG·Filed 1986·Granted Nov 10, 1987·34 cites·8 claims
- 0280US7511919B2Magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 31, 2009·4 cites·8 claims
- 0380US7133242B2Magnetic disk drive and magnetic disk drive controlHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 7, 2006·5 cites·20 claims
- 0474US5463511ASpindle unit having pre-load mechanismHITACHI LTD·Filed 1993·Granted Oct 31, 1995·24 cites·4 claims
- 0572US6965487B2Controller for information recording and reproducing device and control method for the information recording and reproducing deviceHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Nov 15, 2005·9 cites·9 claims
- 0666US8130472B2Head support for a magnetic disk deviceTANIZAWA HIROKAZU·Filed 2007·Granted Mar 6, 2012·2 cites·14 claims
- 0757US5008573AMagnetic disk enclosure with detachable statorHITACHI LTD·Filed 1990·Granted Apr 16, 1991·29 cites·15 claims
- 0854US6870700B2Motor control method for magnetic disk driveHITACHI LTD·Filed 2003·Granted Mar 22, 2005·2 cites·8 claims
- 0949US4894735ADisk drive housing structureHITACHI LTD·Filed 1988·Granted Jan 16, 1990·8 cites·10 claims
- 1045US4775825APositioning method and apparatus thereforHITACHI LTD·Filed 1987·Granted Oct 4, 1988·6 cites·18 claims
- 1141US2005117259A1Magnetic disc apparatus and assembling method of the sameFiled 2003·Application pending·0 cites
- 1239US4825313AMethod for adjustably positioning a transducer for a disc driveHITACHI LTD·Filed 1987·Granted Apr 25, 1989·4 cites·18 claims
- 1335US4703242AControl method and apparatus for positioning servo systemHITACHI LTD·Filed 1987·Granted Oct 27, 1987·7 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →