Assignee
CENTRAL RESEARCH LAB LTD
GB·69 granted patents·2,145 citations·filing 1992–2002
Top patents by PatentIndex Score
69 records- 0192US5464476APlasma processing device comprising plural RF inductive coilsCENTRAL RESEARCH LAB LTD·Filed 1994·Granted Nov 7, 1995·92 cites·7 claims
- 0291US6498857B1Method of synthesizing an audio signalCENTRAL RESEARCH LAB LTD·Filed 1999·Granted Dec 24, 2002·132 cites·15 claims
- 0390US6181802B1Method and apparatus for coding information by inserting codes in strongly featured image regionsCENTRAL RESEARCH LAB LTD·Filed 1996·Granted Jan 30, 2001·185 cites·32 claims
- 0488US6680767B2Method of forming a liquid crystal polymer layer without support substrateCENTRAL RESEARCH LAB LTD·Filed 2002·Granted Jan 20, 2004·62 cites·20 claims
- 0588US6454923B1Gas sensorCENTRAL RESEARCH LAB LTD·Filed 1998·Granted Sep 24, 2002·102 cites·28 claims
- 0688US6131386ASingle mode resonant cavityCENTRAL RESEARCH LAB LTD·Filed 1996·Granted Oct 17, 2000·67 cites·13 claims
- 0786US6290791B1Method of making a fluid connectionCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Sep 18, 2001·61 cites·20 claims
- 0886US6046898AApparatus for blocking a D.C. component of a signalCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Apr 4, 2000·68 cites·7 claims
- 0985US5514127AApparatus for irradiating an area with a controllable pattern of lightCENTRAL RESEARCH LAB LTD·Filed 1994·Granted May 7, 1996·67 cites·9 claims
- 1082US6577736B1Method of synthesizing a three dimensional sound-fieldCENTRAL RESEARCH LAB LTD·Filed 1999·Granted Jun 10, 2003·83 cites·10 claims
- 1182US6128054AApparatus for displaying an imageCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Oct 3, 2000·128 cites·16 claims
- 1282US5851032AComposite image arrangementCENTRAL RESEARCH LAB LTD·Filed 1994·Granted Dec 22, 1998·32 cites·13 claims
- 1380US6635160B1Gas sensorCENTRAL RESEARCH LAB LTD·Filed 2000·Granted Oct 21, 2003·19 cites·4 claims
- 1480US6564655B1Analytical sampling deviceCENTRAL RESEARCH LAB LTD·Filed 2000·Granted May 20, 2003·26 cites·15 claims
- 1579US5914019AGas sensorCENTRAL RESEARCH LAB LTD·Filed 1995·Granted Jun 22, 1999·62 cites·17 claims
- 1677US5861993AApparatus for displaying an imageCENTRAL RESEARCH LAB LTD·Filed 1994·Granted Jan 19, 1999·41 cites·4 claims
- 1774US5412463AFinger guide with orthogonal guide surfacesCENTRAL RESEARCH LAB LTD·Filed 1993·Granted May 2, 1995·82 cites·5 claims
- 1873US5666425APlural-channel sound processingCENTRAL RESEARCH LAB LTD·Filed 1994·Granted Sep 9, 1997·43 cites·15 claims
- 1970US5726806AApparatus for displaying a plurality of viewable images of an objectCENTRAL RESEARCH LAB LTD·Filed 1995·Granted Mar 10, 1998·37 cites·16 claims
- 2069US6522472B1Apparatus for displaying a real image in spaceCENTRAL RESEARCH LAB LTD·Filed 2000·Granted Feb 18, 2003·13 cites·10 claims
- 2168US6558519B1Gas sensorsCENTRAL RESEARCH LAB LTD·Filed 1997·Granted May 6, 2003·34 cites·16 claims
- 2268US5552944AMethod and apparatus for the determination of azimuth errorCENTRAL RESEARCH LAB LTD·Filed 1994·Granted Sep 3, 1996·17 cites·17 claims
- 2367US5961832AMethod and apparatus for diffusive transfer between immiscible fluidsCENTRAL RESEARCH LAB LTD·Filed 1995·Granted Oct 5, 1999·42 cites·30 claims
- 2467US5818153ASelf-aligned gate field emitter device and methods for producing the sameCENTRAL RESEARCH LAB LTD·Filed 1995·Granted Oct 6, 1998·23 cites·24 claims
- 2565US6179211B1Method of identifying a data carrierCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Jan 30, 2001·36 cites·6 claims
- 2664US5683623ADioxane derivativesCENTRAL RESEARCH LAB LTD·Filed 1993·Granted Nov 4, 1997·22 cites·11 claims
- 2764US5583695AApparatus including directidal selective screening means for displaying an image of an objectCENTRAL RESEARCH LAB LTD·Filed 1995·Granted Dec 10, 1996·27 cites·5 claims
- 2863US6614910B1Stereo sound expanderCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Sep 2, 2003·41 cites·10 claims
- 2963US6376124B1Electrochemical cellCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Apr 23, 2002·24 cites·25 claims
- 3059US6401769B1Apparatus for dispensing a predetermined volume of a liquidCENTRAL RESEARCH LAB LTD·Filed 1999·Granted Jun 11, 2002·21 cites·18 claims
- 3158US5800737ALiquid crystal compositionsCENTRAL RESEARCH LAB LTD·Filed 1995·Granted Sep 1, 1998·15 cites·14 claims
- 3257US6338037B1Audio signal identification using code labels inserted in the audio signalCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Jan 8, 2002·38 cites·5 claims
- 3357US5751815AApparatus for audio signal stereophonic adjustmentCENTRAL RESEARCH LAB LTD·Filed 1994·Granted May 12, 1998·20 cites·12 claims
- 3455US6402782B1Artificial ear and auditory canal system and means of manufacturing the sameCENTRAL RESEARCH LAB LTD·Filed 1998·Granted Jun 11, 2002·32 cites·23 claims
- 3555US6208687B1Filter switching methodCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Mar 27, 2001·13 cites·25 claims
- 3655US5629796AImage frameCENTRAL RESEARCH LAB LTD·Filed 1993·Granted May 13, 1997·17 cites·3 claims
- 3755US5600727ADetermination of positionCENTRAL RESEARCH LAB LTD·Filed 1994·Granted Feb 4, 1997·27 cites·7 claims
- 3854US5613862AAnisotropic electrical connectionCENTRAL RESEARCH LAB LTD·Filed 1994·Granted Mar 25, 1997·26 cites·6 claims
- 3954US5515202AOptical projector arrangement comprising a compensatorCENTRAL RESEARCH LAB LTD·Filed 1994·Granted May 7, 1996·15 cites·6 claims
- 4053US6643375B1Method of processing a plural channel audio signalCENTRAL RESEARCH LAB LTD·Filed 1998·Granted Nov 4, 2003·31 cites·8 claims
- 4153US5917916AAudio reproduction systemsCENTRAL RESEARCH LAB LTD·Filed 1997·Granted Jun 29, 1999·30 cites·5 claims
- 4253US5612528AProcessing of magnetically recorded data to detect fraudCENTRAL RESEARCH LAB LTD·Filed 1992·Granted Mar 18, 1997·22 cites·8 claims
- 4349US6277255B1Electrochemical sensing circuitsCENTRAL RESEARCH LAB LTD·Filed 1998·Granted Aug 21, 2001·14 cites·8 claims
- 4449US5623431AAligning a given signal with a corresponding reference signalCENTRAL RESEARCH LAB LTD·Filed 1993·Granted Apr 22, 1997·7 cites·6 claims
- 4546US6421182B1Apparatus for displaying an image suspended in spaceCENTRAL RESEARCH LAB LTD·Filed 1999·Granted Jul 16, 2002·13 cites·8 claims
- 4646US5806218ABorder for an imageCENTRAL RESEARCH LAB LTD·Filed 1995·Granted Sep 15, 1998·12 cites·4 claims
- 4746US5560098AMethod of making an electrical connection to thick film tracksCENTRAL RESEARCH LAB LTD·Filed 1993·Granted Oct 1, 1996·11 cites·8 claims
- 4842US6087786AMethods of controlling the brightness of a glow dischargeCENTRAL RESEARCH LAB LTD·Filed 1996·Granted Jul 11, 2000·12 cites·22 claims
- 4940US5474660AMethod and apparatus for determining the concentration of ammonium ions in solutionCENTRAL RESEARCH LAB LTD·Filed 1993·Granted Dec 12, 1995·9 cites·11 claims
- 5039US6467913B1Apparatus for displaying a suspended imageCENTRAL RESEARCH LAB LTD·Filed 1999·Granted Oct 22, 2002·12 cites·13 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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