Inventor · disambiguated record
Ashraf I. El-Sadi
Also filed as: EL-SADI ASHRAF · EL-SADI ASHRAF I
7 granted patents·204 citations·filing 1983–2001
87Inventor score
Top patents by PatentIndex Score
7 records- 0191US6100656AStart-up algorithm for a brushless sensorless motorQUANTUM CORP·Filed 1999·Granted Aug 8, 2000·79 cites·10 claims
- 0287US5798623ASwitch mode sine wave driver for polyphase brushless permanent magnet motorQUANTUM CORP·Filed 1996·Granted Aug 25, 1998·71 cites·25 claims
- 0386US7327103B1Driver and method for control of voice coil motor in disk driveMAXTOR CORP·Filed 2001·Granted Feb 5, 2008·24 cites·100 claims
- 0457US4642541ATrack following servo for higher density disk filesMEMOREX CORP·Filed 1983·Granted Feb 10, 1987·11 cites·13 claims
- 0554US5027233AMethod for determining servo position data in a disk driveUNISYS CORP·Filed 1988·Granted Jun 25, 1991·10 cites·4 claims
- 0645US4577244ATechniques for disk servoMEMOREX CORP·Filed 1983·Granted Mar 18, 1986·5 cites·16 claims
- 0737US4885516ATechniques for disk servo track followingUNISYS CORP·Filed 1988·Granted Dec 5, 1989·4 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →