Inventor · disambiguated record
Robert J. Youngquist
Also filed as: YOUNGQUIST ROBERT · YOUNGQUIST ROBERT J
22 granted patents·790 citations·filing 1974–2000
97Inventor score
Top patents by PatentIndex Score
22 records- 0196US5450257AHead-tape alignment system and methodMINNESOTA MINING & MFG·Filed 1993·Granted Sep 12, 1995·97 cites·24 claims
- 0295US5280402ACombined stepper motor and voice coil head positioning apparatusMINNESOTA MINING & MFG·Filed 1992·Granted Jan 18, 1994·93 cites·19 claims
- 0393US5434732ABalanced cantilevered head positioning mechanism for multitrack tape recorderMINNESOTA MINING & MFG·Filed 1993·Granted Jul 18, 1995·58 cites·17 claims
- 0491US6330123B1Head assembly having a single pass servo writerIMATION CORP·Filed 2000·Granted Dec 11, 2001·31 cites·11 claims
- 0591US5008765AMethod and apparatus for reading or writing on tape using a servo positioned multiple channel headMINNESOTA MINING & MFG·Filed 1989·Granted Apr 16, 1991·44 cites·21 claims
- 0689US5229895AMulti-track servo recording head assemblyMINNESOTA MINING & MFG·Filed 1991·Granted Jul 20, 1993·49 cites·23 claims
- 0788US5675448ATrack pitch error compensation system for data cartridge tape drivesIMATION CORP·Filed 1994·Granted Oct 7, 1997·53 cites·7 claims
- 0887US5572378ADirect file access system for magnetic tapeIMATION CORP·Filed 1994·Granted Nov 5, 1996·45 cites·56 claims
- 0985US6134070AEncoded servo track configurations, servo writer and systems/method regarding sameIMATION CORP·Filed 1997·Granted Oct 17, 2000·49 cites·29 claims
- 1085US4351007AEditor for combining digitally recorded audio signalsMINNESOTA MINING & MFG·Filed 1981·Granted Sep 21, 1982·28 cites·16 claims
- 1183US5946156ATape servo system and methods, write/read heads, and servo track configurations regarding sameIMATION CORP·Filed 1997·Granted Aug 31, 1999·33 cites·41 claims
- 1282US5661616ATrack servo control method for data cartridge tape drivesIMATION CORP·Filed 1995·Granted Aug 26, 1997·50 cites·13 claims
- 1379US4791643ASingle track orthogonal error correction systemMINNESOTA MINING & MFG·Filed 1986·Granted Dec 13, 1988·34 cites·21 claims
- 1478US5339202AMethod and apparatus for amplitude compensated write equalizationMINNESOTA MINING & MFG·Filed 1993·Granted Aug 16, 1994·28 cites·7 claims
- 1572US4292684AFormat for digital tape recorderMINNESOTA MINING & MFG·Filed 1979·Granted Sep 29, 1981·15 cites·12 claims
- 1671US5426543AServo positioning system for magnetic recording mediaMINNESOTA MINING & MFG·Filed 1994·Granted Jun 20, 1995·21 cites·4 claims
- 1771US3978403AAutomatic tracking signal analyzerMINNESOTA MINING & MFG·Filed 1974·Granted Aug 31, 1976·21 cites·17 claims
- 1866US5390054AMethod and system for minimizing the error rate of a digital recording system by predicting the optimal bias currentMINNESOTA MINING & MFG·Filed 1993·Granted Feb 14, 1995·16 cites·8 claims
- 1952US6025967AMethod of identifying magnetic tape characteristicsIMATION CORP·Filed 1993·Granted Feb 15, 2000·9 cites·20 claims
- 2050US4473818ABipolar digital to analog converterMINNESOTA MINING & MFG·Filed 1981·Granted Sep 25, 1984·10 cites·6 claims
- 2142US3999286AMethod of making multitrack headsMINNESOTA MINING & MFG·Filed 1975·Granted Dec 28, 1976·4 cites·2 claims
- 2236US6091565AHead assembly having a single pass servo writerIMATION CORP·Filed 1999·Granted Jul 18, 2000·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →