Inventor · disambiguated record
John J. Freeman
Also filed as: FREEMAN JOHN · FREEMAN JOHN J · FREEMAN JOHN J JR · FREEMAN JOHN JAY
49 granted patents·19 pending applications·710 citations·filing 1985–2025
98Inventor score
Files withMANNKIND CORP35CYTEC TECH CORP8EMISPHERE TECH INC5SEAGATE TECHNOLOGY LLC4AMERICAN CYANAMID CO2
Top patents by PatentIndex Score
68 records- 0197US4922169AMethod and apparatus for driving a brushless motorMINISCRIBE CORP·Filed 1988·Granted May 1, 1990·117 cites·5 claims
- 0296US10870628B2Formation of N-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a cyclic α-N-protected amino esterMANNKIND CORP·Filed 2020·Granted Dec 22, 2020·3 cites·20 claims
- 0395US11345668B2Formation of N-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a cyclic α-N-protected amino esterMANNKIND CORP·Filed 2020·Granted May 31, 2022·2 cites·20 claims
- 0495US10577331B2Formation of N-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a cyclic alpha-N-protected amino ester intermediateMANNKIND CORP·Filed 2018·Granted Mar 3, 2020·5 cites·17 claims
- 0595US9944609B2Formation of N-protected bis-3,6-(4-aminobutyl)-2, 5-diketopiperazine through a cyclic alpha-N-protected amino esterMANNKIND CORP·Filed 2015·Granted Apr 17, 2018·6 cites·20 claims
- 0695US9187433B2Formation of N-protected 3,6-bis-(4-aminobutyl) -2, 5-diketopiperazine through a cyclic α-N-protected active amino ester intermediateMANNKIND CORP·Filed 2015·Granted Nov 17, 2015·8 cites·20 claims
- 0795US8962836B2Formation of N-protected bis-3,6-(4-aminobutyl)-2,5-diketopiperazine through a cyclic alpha-N-protected amino esterMANNKIND CORP·Filed 2014·Granted Feb 24, 2015·9 cites·14 claims
- 0894US12049453B2Formation of N-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a cyclic alpha-N-protected amino esterMANNKIND CORP·Filed 2022·Granted Jul 30, 2024·1 cites·20 claims
- 0994US6693208B2Compounds and compositions for delivering active agentsEMISPHERE TECH INC·Filed 2000·Granted Feb 17, 2004·45 cites·29 claims
- 1093US11479535B2Methods for the synthesis of activated ethylfumarates and their use as intermediatesMANNKIND CORP·Filed 2020·Granted Oct 25, 2022·2 cites·6 claims
- 1192US10772883B2Diketopiperazine microparticles with defined specific surface areasMANNKIND CORP·Filed 2017·Granted Sep 15, 2020·6 cites·12 claims
- 1291US11440891B2Formation of N-protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazineMANNKIND CORP·Filed 2020·Granted Sep 13, 2022·2 cites·19 claims
- 1391US8410309B2Phenoxy carboxylic acid compounds and compositions for delivering active agentsLEONE-BAY ANDREA·Filed 2006·Granted Apr 2, 2013·11 cites·23 claims
- 1491US6819517B2Disc drive servo track writer gas leak detector and methodSEAGATE TECHNOLOGY LLC·Filed 2002·Granted Nov 16, 2004·35 cites·20 claims
- 1591US5962710AMethod of preparing salicyloylamino acidsEMISPHERE TECH INC·Filed 1997·Granted Oct 5, 1999·51 cites·21 claims
- 1691US2025109109A1Methods for the synthesis of activated ethylfumarates and their use as intermediatesMANNKIND CORP·Filed 2024·Application pending·0 cites
- 1790US10640471B2Formation of N-protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazineMANNKIND CORP·Filed 2019·Granted May 5, 2020·3 cites·19 claims
- 1890US10196366B2Formation of N-protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazineMANNKIND CORP·Filed 2016·Granted Feb 5, 2019·3 cites·18 claims
- 1990US10071969B2Methods for the synthesis of activated ethylfumarates and their use as intermediatesMANNKIND CORP·Filed 2015·Granted Sep 11, 2018·3 cites·11 claims
- 2090US2024336576A1Formation of n-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a cyclic alpha-n-protected amino ester intermediateMANNKIND CORP·Filed 2024·Application pending·0 cites
- 2189US10858325B2Methods for the synthesis of activated ethylfumarates and their use as intermediatesMANNKIND CORP·Filed 2018·Granted Dec 8, 2020·3 cites·14 claims
- 2287US12383552B2Diketopiperazine microparticles with defined specific surface areasMANNKIND CORP·Filed 2023·Granted Aug 12, 2025·0 cites·13 claims
- 2387US6570360B1Self-synchronizing AC synchronous driver for DC brushless motorsSEAGATE TECHNOLOGY LLC·Filed 2000·Granted May 27, 2003·23 cites·4 claims
- 2487US4699896AManufacture of fibrous activated carbonsSECR DEFENCE BRIT·Filed 1985·Granted Oct 13, 1987·45 cites·15 claims
- 2586US9416113B2Formation of N-protected bis-3,6-(4-aminoalkyl)-2,5,diketopiperazineMANNKIND CORP·Filed 2014·Granted Aug 16, 2016·3 cites·18 claims
- 2686US9193691B2Methods for the synthesis of activated ethylfumarates and their use as intermediatesMANNKIND CORP·Filed 2013·Granted Nov 24, 2015·3 cites·12 claims
- 2786USRE35132ESolid, thin chemiluminescent deviceOMNIGLOW CORP·Filed 1994·Granted Dec 26, 1995·43 cites·11 claims
- 2885US12202807B2Methods for the synthesis of activated ethylfumarates and their use as intermediatesMANNKIND CORP·Filed 2022·Granted Jan 21, 2025·0 cites·20 claims
- 2985US4622499AMethod and apparatus for controlling a motorMINISCRIBE CORP·Filed 1985·Granted Nov 11, 1986·50 cites·33 claims
- 3084US12459903B2Formation of n-protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazineMANNKIND CORP·Filed 2022·Granted Nov 4, 2025·0 cites·19 claims
- 3184US5121302ASolid, thin chemiluminescent deviceAMERICAN CYANAMID CO·Filed 1990·Granted Jun 9, 1992·41 cites·11 claims
- 3282US7129274B1Phenoxy carboxylic acid compounds and compositions for delivering active agentsEMISPHERE TECH INC·Filed 2000·Granted Oct 31, 2006·9 cites·23 claims
- 3381US6330828B1Method and apparatus for subjecting a device to rotational vibrationSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Dec 18, 2001·17 cites·18 claims
- 3480US8912328B2Formation of N-protected bis-3,6-(4-aminoalkyl)-2,5,diketopiperazineFREEMAN JOHN J·Filed 2012·Granted Dec 16, 2014·3 cites·7 claims
- 3579US2025214946A1Formation of n-protected 3,6-bis-(4-aminobutyl)-2,5-diketopiperazine through a cyclic alpha-n-protected amino ester intermediateMANNKIND CORP·Filed 2025·Application pending·0 cites
- 3677US2025163003A1Formation of N-Protected 3,6-bis-(4-aminoalkyl)-2,5,diketopiperazineMANNKIND CORP·Filed 2025·Application pending·0 cites
- 3776US11607410B2Diketopiperazine microparticles with defined specific surface areasMANNKIND CORP·Filed 2020·Granted Mar 21, 2023·0 cites·10 claims
- 3876US2025152579A1Diketopiperazine Microparticles with Defined Specific Surface AreasMANNKIND CORP·Filed 2025·Application pending·0 cites
- 3973US7951971B1Phenoxy carboxylic acid compounds and compositions for delivering active agentsEMISPHERE TECH INC·Filed 2008·Granted May 31, 2011·1 cites·15 claims
- 4073US2024180897A1Methods and compositions for treating pulmonary hypertensionMANNKIND CORP·Filed 2024·Application pending·0 cites
- 4169US2023130606A1Methods and compositions for treating pulmonary hypertensionMANNKIND CORP·Filed 2022·Application pending·0 cites
- 4266US6013708ACationic water-soluble polymer precipitation in salt solutionsCYTEC TECH CORP·Filed 1996·Granted Jan 11, 2000·28 cites·24 claims
- 4366US2020405731A1Method and composition for administering prostaglandinsMANNKIND CORP·Filed 2020·Application pending·0 cites
- 4464US5733462ACationic water-soluble polymer precipitation in salt solutionsCYTEC TECH CORP·Filed 1996·Granted Mar 31, 1998·23 cites·10 claims
- 4564US2025312419A1Pharmaceutical compositions and methodsMANNKIND CORP·Filed 2023·Application pending·0 cites
- 4663USD330602SChemiluminescent signal for attachment to the armAMERICAN CYANAMID CO·Filed 1991·Granted Oct 27, 1992·11 cites·1 claims
- 4759US2025288515A1Method and composition for treating lung diseasesMANNKIND CORP·Filed 2023·Application pending·0 cites
- 4858US2005147662A1Compounds and compositions for delivering active agentsEMISPHERE TECH INC·Filed 2004·Application pending·0 cites
- 4958US2024050374A1Method and Composition for Treating Pulmonary FibrosisMANNKIND CORP·Filed 2021·Application pending·0 cites
- 5057US2025228779A1Method and composition for treating pulmonary fibrosisMANNKIND CORP·Filed 2025·Application pending·0 cites
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →