Inventor · disambiguated record
Judson A. Mcdowell
Also filed as: MCDOWELL JUDSON A · MCDOWELL JUDSON ALLEN
10 granted patents·394 citations·filing 1976–2001
92Inventor score
Technology areasG11B
Files withIBM10
Top patents by PatentIndex Score
10 records- 0194US5548572ASpare and calibration sector management for optical WORM mediaIBM·Filed 1995·Granted Aug 20, 1996·104 cites·18 claims
- 0291US6272086B1Low cost tamper-resistant method for write-once read many (WORM) storageIBM·Filed 1997·Granted Aug 7, 2001·66 cites·29 claims
- 0391US5233584AOptical disk device using high and low data-sensing criteria plus device recalibration for error controlIBM·Filed 1990·Granted Aug 3, 1993·58 cites·42 claims
- 0489US5418773AZoned record carrierIBM·Filed 1993·Granted May 23, 1995·47 cites·7 claims
- 0588US6937411B2Method, system, program, and storage cartridge for storing data in a storage mediumIBM·Filed 2001·Granted Aug 30, 2005·25 cites·57 claims
- 0686US5293565AFortmat for data-storing disk media wherein addressable track angular length is independent of disk revolutionsIBM·Filed 1992·Granted Mar 8, 1994·40 cites·85 claims
- 0782US4081844AInterleaved synch and beginning of data indicatorsIBM·Filed 1976·Granted Mar 28, 1978·27 cites·9 claims
- 0869US5526329ACalibration of readback threshold in an optical storage device to determine a blank sectorIBM·Filed 1995·Granted Jun 11, 1996·19 cites·5 claims
- 0945US5430702ACalibration of readback threshold in an optical storage deviceIBM·Filed 1994·Granted Jul 4, 1995·5 cites·5 claims
- 1024US4633333ADetection of instantaneous speed variations in a tape driveIBM·Filed 1985·Granted Dec 30, 1986·3 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →