Inventor · disambiguated record
William B. Pennebaker
Also filed as: PENNEBAKER JR WILLIAM B · PENNEBAKER JR WILLIAM BOONE · PENNEBAKER WILLIAM B
33 granted patents·2,106 citations·filing 1975–1993
98Inventor score
Top patents by PatentIndex Score
33 records- 0198US4891643AArithmetic coding data compression/de-compression by selectively employed, diverse arithmetic coding encoders and decodersIBM·Filed 1986·Granted Jan 2, 1990·173 cites·33 claims
- 0298US4019188AMicromist jet printerIBM·Filed 1975·Granted Apr 19, 1977·143 cites·3 claims
- 0397US5045852ADynamic model selection during data compressionIBM·Filed 1990·Granted Sep 3, 1991·181 cites·20 claims
- 0497US4905297AArithmetic coding encoder and decoder systemIBM·Filed 1988·Granted Feb 27, 1990·162 cites·15 claims
- 0597US4725885AAdaptive graylevel image compression systemIBM·Filed 1986·Granted Feb 16, 1988·162 cites·16 claims
- 0696US4935882AProbability adaptation for arithmetic codersIBM·Filed 1988·Granted Jun 19, 1990·111 cites·26 claims
- 0794US4933883AProbability adaptation for arithmetic codersIBM·Filed 1988·Granted Jun 12, 1990·89 cites·11 claims
- 0893US5099440AProbability adaptation for arithmetic codersIBM·Filed 1990·Granted Mar 24, 1992·99 cites·19 claims
- 0988US4695884ACorrection of shading effects in video imagesIBM·Filed 1985·Granted Sep 22, 1987·94 cites·12 claims
- 1088US4221275AMotor-assist vehiclePENNEBAKER WILLIAM B·Filed 1978·Granted Sep 9, 1980·53 cites·4 claims
- 1187US5157488AAdaptive quantization within the jpeg sequential modeIBM·Filed 1991·Granted Oct 20, 1992·79 cites·17 claims
- 1286US4885786AMethod for enlarging an image stored in run representation formIBM·Filed 1988·Granted Dec 5, 1989·80 cites·21 claims
- 1386US4656665AThresholding technique for graphics images using histogram analysisIBM·Filed 1985·Granted Apr 7, 1987·98 cites·10 claims
- 1485US5293434ATechnique for use in a transform coder for imparting robustness to compressed image data through use of global block transformationsIBM·Filed 1991·Granted Mar 8, 1994·71 cites·12 claims
- 1581US4870695ACompression and de-compression of column-interlaced, row-interlaced graylevel digital imagesIBM·Filed 1988·Granted Sep 26, 1989·39 cites·22 claims
- 1681US4532503ASequence controlled pixel configurationIBM·Filed 1982·Granted Jul 30, 1985·30 cites·7 claims
- 1779US4799105AModified technique for suppression of flicker in interlaced video imagesIBM·Filed 1987·Granted Jan 17, 1989·32 cites·12 claims
- 1878US4791403ALog encoder/decorder systemIBM·Filed 1987·Granted Dec 13, 1988·30 cites·17 claims
- 1978US4011157AUltrasonic removal of solid impurities from recirculating inkIBM·Filed 1976·Granted Mar 8, 1977·31 cites·5 claims
- 2077US5066512AElectrostatic deposition of lcd color filtersIBM·Filed 1989·Granted Nov 19, 1991·39 cites·16 claims
- 2177US4646356AMethod for converting a bit map of an image to a run length or run end representationIBM·Filed 1984·Granted Feb 24, 1987·56 cites·10 claims
- 2275US4965677ACompression of binary halftonesIBM·Filed 1989·Granted Oct 23, 1990·27 cites·10 claims
- 2371US3997113AHigh frequency alternating field charging of aerosolsIBM·Filed 1975·Granted Dec 14, 1976·33 cites·8 claims
- 2468US5103763AApparatus for formation and electrostatic deposition of charged dropletsIBM·Filed 1991·Granted Apr 14, 1992·36 cites·10 claims
- 2568US4227455ASuspension arrangement for an oscillating bodyIBM·Filed 1978·Granted Oct 14, 1980·12 cites·11 claims
- 2667US5414423AStabilization of probability estimates by conditioning on prior decisions of a given contextIBM·Filed 1993·Granted May 9, 1995·34 cites·16 claims
- 2762US4785356AApparatus and method of attenuating distortion introduced by a predictive coding image compressorIBM·Filed 1987·Granted Nov 15, 1988·17 cites·9 claims
- 2856US4885576ASoft copy display of facsimile imagesIBM·Filed 1986·Granted Dec 5, 1989·13 cites·37 claims
- 2956US4488174AMethod for eliminating motion induced flicker in a video imageIBM·Filed 1982·Granted Dec 11, 1984·24 cites·15 claims
- 3055US4558370AImage processing method for graphics imagesIBM·Filed 1983·Granted Dec 10, 1985·23 cites·20 claims
- 3145US4504864ANonlinear filtering of gray scale imagesIBM·Filed 1982·Granted Mar 12, 1985·17 cites·9 claims
- 3243US4532651AData filter and compression apparatus and methodIBM·Filed 1982·Granted Jul 30, 1985·16 cites·7 claims
- 3332US4393769AElectrostatic clutch-operated printing mechanismIBM·Filed 1980·Granted Jul 19, 1983·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →