Inventor · disambiguated record
Michael D. Leis
Also filed as: LEIS MICHAEL · LEIS MICHAEL D
22 granted patents·2 pending applications·634 citations·filing 1975–2007
96Inventor score
Top patents by PatentIndex Score
24 records- 0197US7253984B1Disk drive that generates a position error signal and a fly height signal from a servo burst patternMAXTOR CORP·Filed 2005·Granted Aug 7, 2007·95 cites·19 claims
- 0295US5036408AHigh efficiency disk format and synchronization systemDIGITAL EQUIPMENT CORP·Filed 1988·Granted Jul 30, 1991·81 cites·31 claims
- 0394US6957379B1Method and apparatus for selecting storage capacity of data storage mediaMAXTOR CORP·Filed 2001·Granted Oct 18, 2005·59 cites·58 claims
- 0494US5862005ASynchronous detection of wide bi-phase coded servo information for disk driveQUANTUM CORP·Filed 1996·Granted Jan 19, 1999·72 cites·26 claims
- 0589US7342734B1Disk drives with radially aligned servo burst patterns that generate orthogonal contributions to a read signal and related demodulators and methodsMAXTOR CORP·Filed 2004·Granted Mar 11, 2008·27 cites·20 claims
- 0689US6452990B1Synchronous detection of wide bi-phase coded servo information for disk driveMAXTOR CORP·Filed 1999·Granted Sep 17, 2002·46 cites·24 claims
- 0788US4321632APositioning system and formatting scheme for magnetic tape mediaDIGITAL EQUIPMENT CORP·Filed 1980·Granted Mar 23, 1982·32 cites·6 claims
- 0885US4849711AAutomatic gain control systemDIGITAL EQUIPMENT CORP·Filed 1987·Granted Jul 18, 1989·33 cites·22 claims
- 0977US6412088B1Method and apparatus for using block rereadMAXTOR CORP·Filed 1999·Granted Jun 25, 2002·28 cites·23 claims
- 1074US7742257B2Acoustic damping pad that reduces deflection of a circuit boardSEAGATE TECHNOLOGY LLC·Filed 2007·Granted Jun 22, 2010·3 cites·20 claims
- 1174US4928075AMultiple bandwidth filter system for phase locked loopDIGITAL EQUIPMENT CORP·Filed 1989·Granted May 22, 1990·24 cites·24 claims
- 1271US5768296AECC system supporting different-length Reed-Solomon codes whose generator polynomials have common rootsQUANTUM CORP·Filed 1996·Granted Jun 16, 1998·37 cites·2 claims
- 1362US6567229B1Avoiding asperities on a storage mediumMAXTOR CORP·Filed 1999·Granted May 20, 2003·15 cites·66 claims
- 1458US5574448AMethod and apparatus for encoding data with variable block lengthsQUANTUM CORP·Filed 1995·Granted Nov 12, 1996·13 cites·17 claims
- 1557US3988779AEdge-loading tape deck or holderDIGITAL EQUIPMENT CORP·Filed 1976·Granted Oct 26, 1976·10 cites·9 claims
- 1650US6691278B1Detecting errors in coded bit stringsMAXTOR CORP·Filed 1999·Granted Feb 10, 2004·13 cites·61 claims
- 1749US4380723ADigital velocity servoDIGITAL EQUIPMENT CORP·Filed 1979·Granted Apr 19, 1983·8 cites·6 claims
- 1848US2007242388A1Disc Clamp Having Force Distributing FeaturesMAXTOR CORP·Filed 2007·Application pending·0 cites
- 1946US5128809ACoherent multi-frequency synthesisDIGITAL EQUIPMENT CORP·Filed 1989·Granted Jul 7, 1992·8 cites·6 claims
- 2046US2002150179A1Synchronous detection of wide bi-phase coded servo information for disk driveMAXTOR CORP·Filed 2002·Application pending·0 cites
- 2141US4908841AData decoding circuit including phase-locked loop timingDIGITAL EQUIPMENT CORP·Filed 1987·Granted Mar 13, 1990·11 cites·18 claims
- 2240US5119043AAuto-centered phase-locked loopDIGITAL EQUIPMENT CORP·Filed 1990·Granted Jun 2, 1992·13 cites·18 claims
- 2339US4954788APhase locked loop with bandwidth rampDIGITAL EQUIPMENT CORP·Filed 1989·Granted Sep 4, 1990·5 cites·6 claims
- 2427US3983451AScan control circuit for a video terminal display device using feedback to control synchronizationDIGITAL EQUIPMENT CORP·Filed 1975·Granted Sep 28, 1976·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →