Inventor · disambiguated record
Leonard G. Cohen
Also filed as: COHEN LEONARD · COHEN LEONARD G · COHEN LEONARD GEORGE · COHEN ROBERT F
35 granted patents·1 pending application·2,344 citations·filing 1973–2012
98Inventor score
Files withLUCENT TECHNOLOGIES INC9AT & T BELL LAB8BELL TELEPHONE LABOR INC5AMERICAN TELEPHONE & TELEGRAPH4COHEN LEONARD4
Top patents by PatentIndex Score
36 records- 0198US5821510ALabeling and tracing system for jumper used in an exchangeLUCENT TECHNOLOGIES INC·Filed 1996·Granted Oct 13, 1998·336 cites·26 claims
- 0296US5680490AComb splitting system and method for a multichannel optical fiber communication networkLUCENT TECHNOLOGIES INC·Filed 1995·Granted Oct 21, 1997·140 cites·34 claims
- 0396US5321541APassive optical communication network with broadband upgradeAT & T BELL LAB·Filed 1992·Granted Jun 14, 1994·211 cites·6 claims
- 0493US5440416AOptical network comprising a compact wavelength-dividing componentAT & T CORP·Filed 1993·Granted Aug 8, 1995·149 cites·6 claims
- 0593US5285305AOptical communication network with passive monitoringAT & T BELL LAB·Filed 1991·Granted Feb 8, 1994·153 cites·27 claims
- 0693US3932184AFabrication of microlensesBELL TELEPHONE LABOR INC·Filed 1973·Granted Jan 13, 1976·48 cites·5 claims
- 0791US4834496AOptical fiber sensors for chemical detectionAMERICAN TELEPHONE & TELEGRAPH·Filed 1987·Granted May 30, 1989·80 cites·31 claims
- 0890US5074633AOptical communication system comprising a fiber amplifierAT & T BELL LAB·Filed 1990·Granted Dec 24, 1991·73 cites·4 claims
- 0990US4820016AWaveguide-containing communications and sensing systemsAMERICAN TELEPHONE & TELEGRAPH·Filed 1986·Granted Apr 11, 1989·84 cites·15 claims
- 1090US4325078APay per view television control deviceTELEMINE CO·Filed 1979·Granted Apr 13, 1982·149 cites·7 claims
- 1189US3989350AMultimode optical fiberBELL TELEPHONE LABOR INC·Filed 1975·Granted Nov 2, 1976·59 cites·5 claims
- 1288US5418868AThermally activated optical switchAT & T CORP·Filed 1993·Granted May 23, 1995·85 cites·7 claims
- 1388USD318797SContainer for perfume or the likeCOHEN LEONARD·Filed 1989·Granted Aug 6, 1991·29 cites·1 claims
- 1488US4691990AOptical fiber with depressed index outer claddingAMERICAN TELEPHONE & TELEGRAPH·Filed 1984·Granted Sep 8, 1987·50 cites·12 claims
- 1585US5930150AMethod and system for designing and analyzing optical application specific integrated circuitsLUCENT TECHNOLOGIES INC·Filed 1996·Granted Jul 27, 1999·75 cites·55 claims
- 1685US4435040ADouble-clad optical fiberguideBELL TELEPHONE LABOR INC·Filed 1981·Granted Mar 6, 1984·55 cites·18 claims
- 1784US5699176AUpgradable fiber-coax networkLUCENT TECHNOLOGIES INC·Filed 1995·Granted Dec 16, 1997·83 cites·12 claims
- 1884US4447124AMultimode optical fiber with radially varying attenuation center densityBELL TELEPHONE LABOR INC·Filed 1981·Granted May 8, 1984·28 cites·13 claims
- 1981US5046800AArticle comprising a passive optical waveguideAT & T BELL LAB·Filed 1990·Granted Sep 10, 1991·56 cites·8 claims
- 2080USRE36471EPassive optical communication network with broadband upgradeLUCENT TECHNOLOGIES INC·Filed 1996·Granted Dec 28, 1999·58 cites·3 claims
- 2179US6421167B1Multiple function bandwidth management systemsGEN DYNAMICS ADVANCED TECHNOLO·Filed 2000·Granted Jul 16, 2002·27 cites·36 claims
- 2276US4974930AMode scrambler with non-invasive fabrication in an optical fiber's claddingAT & T BELL LAB·Filed 1989·Granted Dec 4, 1990·34 cites·13 claims
- 2376US4447127ALow loss single mode fiberBELL TELEPHONE LABOR INC·Filed 1982·Granted May 8, 1984·32 cites·4 claims
- 2475US5384635ARemote sensing in optical fiber networks by synchronously detecting backscattered optical signalsAT & T CORP·Filed 1993·Granted Jan 24, 1995·69 cites·14 claims
- 2568US5911019AMethod for upgrading a hybrid fiber coax network to an all fiber networkLUCENT TECHNOLOGIES INC·Filed 1997·Granted Jun 8, 1999·31 cites·7 claims
- 2667US5309534AOptical filter having multiple interferometric stagesAT & T BELL LAB·Filed 1993·Granted May 3, 1994·29 cites·10 claims
- 2766US5329392AOptical communication system with multiple fiber monitoringAT & T BELL LAB·Filed 1993·Granted Jul 12, 1994·37 cites·7 claims
- 2857US5914889AMethod and system for generating a mask layout of an optical integrated circuitLUCENT TECHNOLOGIES INC·Filed 1996·Granted Jun 22, 1999·21 cites·27 claims
- 2953US2013105650A1Stemware retaining holderCOHEN LEONARD·Filed 2012·Application pending·0 cites
- 3052US4460241ATelecommunication system with fiberguide signal filteringAT & T BELL LAB·Filed 1981·Granted Jul 17, 1984·12 cites·14 claims
- 3150US6426859B1Static dissipative/anti-static expansion/fixed size bracelet/buckle combinationSTATIC SOLUTIONS INC·Filed 2000·Granted Jul 30, 2002·12 cites·32 claims
- 3247US4235376ADispensing apparatus for use with a tractorCOHEN LEONARD·Filed 1979·Granted Nov 25, 1980·10 cites·9 claims
- 3346US4699464ABeF2 -based optical fibersAMERICAN TELEPHONE & TELEGRAPH·Filed 1986·Granted Oct 13, 1987·10 cites·10 claims
- 3443US6539149B1Waveguide grating router employing transmissive Echelle gratingsLUCENT TECHNOLOGIES INC·Filed 1999·Granted Mar 25, 2003·9 cites·7 claims
- 3536US5774605ARibbon array optical switch and optical switch architecture utilizing sameLUCENT TECHNOLOGIES INC·Filed 1996·Granted Jun 30, 1998·5 cites·10 claims
- 3632US4752021AGarment display deviceCOHEN LEONARD·Filed 1987·Granted Jun 21, 1988·5 cites·7 claims
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