Inventor · disambiguated record
Masao Akei
Also filed as: AKEI MASAO
37 granted patents·6 pending applications·838 citations·filing 2005–2025
98Inventor score
Top patents by PatentIndex Score
43 records- 0199US9879674B2Compressor having capacity modulation assemblyEMERSON CLIMATE TECHNOLOGIES·Filed 2015·Granted Jan 30, 2018·29 cites·21 claims
- 0299US9303642B2Compressor having capacity modulation assemblyEMERSON CLIMATE TECHNOLOGIES·Filed 2013·Granted Apr 5, 2016·33 cites·20 claims
- 0399US7976295B2Compressor having capacity modulation systemEMERSON CLIMATE TECHNOLOGIES·Filed 2009·Granted Jul 12, 2011·57 cites·20 claims
- 0499US7972125B2Compressor having output adjustment assembly including piston actuationEMERSON CLIMATE TECHNOLOGIES·Filed 2009·Granted Jul 5, 2011·56 cites·20 claims
- 0598US10954940B2Compressor having capacity modulation assemblyEMERSON CLIMATE TECHNOLOGIES·Filed 2018·Granted Mar 23, 2021·11 cites·33 claims
- 0698US8857200B2Compressor having capacity modulation or fluid injection systemsEMERSON CLIMATE TECHNOLOGIES·Filed 2013·Granted Oct 14, 2014·38 cites·20 claims
- 0798US8790098B2Compressor having output adjustment assemblySTOVER ROBERT C·Filed 2011·Granted Jul 29, 2014·39 cites·25 claims
- 0898US8616014B2Compressor having capacity modulation or fluid injection systemsSTOVER ROBERT C·Filed 2010·Granted Dec 31, 2013·54 cites·20 claims
- 0998US8585382B2Compressor having capacity modulation assemblyAKEI MASAO·Filed 2011·Granted Nov 19, 2013·55 cites·27 claims
- 1098US8025492B2Scroll machineEMERSON CLIMATE TECHNOLOGIES·Filed 2009·Granted Sep 27, 2011·43 cites·34 claims
- 1198US7988433B2Compressor having capacity modulation assemblyEMERSON CLIMATE TECHNOLOGIES·Filed 2010·Granted Aug 2, 2011·54 cites·31 claims
- 1298US7967582B2Compressor having capacity modulation systemEMERSON CLIMATE TECHNOLOGIES·Filed 2009·Granted Jun 28, 2011·48 cites·24 claims
- 1398US7967583B2Compressor having capacity modulation systemEMERSON CLIMATE TECHNOLOGIES·Filed 2009·Granted Jun 28, 2011·53 cites·17 claims
- 1497US8506271B2Scroll machine having axially biased scrollSEIBEL STEPHEN M·Filed 2011·Granted Aug 13, 2013·38 cites·27 claims
- 1597US8313318B2Compressor having capacity modulation systemSTOVER ROBERT C·Filed 2009·Granted Nov 20, 2012·33 cites·20 claims
- 1697US7988434B2Compressor having capacity modulation systemEMERSON CLIMATE TECHNOLOGIES·Filed 2009·Granted Aug 2, 2011·34 cites·24 claims
- 1797US7837452B2Scroll compressor including deflection compensation for non-orbiting scrollEMERSON CLIMATE TECHNOLOGIES·Filed 2009·Granted Nov 23, 2010·22 cites·20 claims
- 1897US7240494B2Vapor compression circuit and method including a thermoelectric deviceEMERSON CLIMATE TECHNOLOGIES·Filed 2006·Granted Jul 10, 2007·34 cites·35 claims
- 1996US7752852B2Vapor compression circuit and method including a thermoelectric deviceEMERSON CLIMATE TECHNOLOGIES·Filed 2006·Granted Jul 13, 2010·26 cites·26 claims
- 2095US7976296B2Scroll compressor having capacity modulation systemEMERSON CLIMATE TECHNOLOGIES·Filed 2009·Granted Jul 12, 2011·22 cites·20 claims
- 2193US7296416B2Vapor compression circuit and method including a thermoelectric deviceEMERSON CLIMATE TECHNOLOGIES·Filed 2006·Granted Nov 20, 2007·16 cites·31 claims
- 2292US9267501B2Compressor including biasing passage located relative to bypass portingAKEI MASAO·Filed 2012·Granted Feb 23, 2016·8 cites·9 claims
- 2392US8568118B2Compressor having piston assemblySTOVER ROBERT C·Filed 2010·Granted Oct 29, 2013·9 cites·23 claims
- 2491US8628316B2Compressor having capacity modulation systemSTOVER ROBERT C·Filed 2011·Granted Jan 14, 2014·6 cites·28 claims
- 2589US8307663B2Vapor compression circuit and method including a thermoelectric deviceAKEI MASAO·Filed 2010·Granted Nov 13, 2012·5 cites·25 claims
- 2687US11149732B2Opposed screw compressor having non-interference systemCARRIER CORP·Filed 2018·Granted Oct 19, 2021·2 cites·16 claims
- 2786US10288070B2Screw compressor with oil shutoff and methodCARRIER CORP·Filed 2015·Granted May 14, 2019·3 cites·21 claims
- 2885US10954943B2Compressor comprising a variable volume index valveCARRIER CORP·Filed 2014·Granted Mar 23, 2021·4 cites·10 claims
- 2984US2025347280A1Oil-free phase separating compressorTRANE INT INC·Filed 2025·Application pending·0 cites
- 3081US8517704B2Compressor having capacity modulation systemSTOVER ROBERT C·Filed 2012·Granted Aug 27, 2013·2 cites·19 claims
- 3180US12313072B2Oil-free phase separating compressorTRANE INT INC·Filed 2022·Granted May 27, 2025·0 cites·20 claims
- 3280US11268512B2Fluid machine with helically lobed rotorsCARRIER CORP·Filed 2018·Granted Mar 8, 2022·1 cites·11 claims
- 3380US8529232B2Compressor having capacity modulation systemSTOVER ROBERT C·Filed 2010·Granted Sep 10, 2013·2 cites·21 claims
- 3477US11635078B2Compressor having capacity modulation assemblyEMERSON CLIMATE TECHNOLOGIES·Filed 2021·Granted Apr 25, 2023·0 cites·24 claims
- 3567US10036388B2Scroll compressor with oil management systemAKEI MASAO·Filed 2014·Granted Jul 31, 2018·1 cites·11 claims
- 3666US11365735B2Internal discharge gas passage for compressorCARRIER CORP·Filed 2018·Granted Jun 21, 2022·0 cites·19 claims
- 3765US10605243B2Scroll compressor with oil management systemEMERSON CLIMATE TECHNOLOGIES·Filed 2018·Granted Mar 31, 2020·0 cites·20 claims
- 3864US9458847B2Scroll compressor having biasing systemEMERSON CLIMATE TECHNOLOGIES·Filed 2014·Granted Oct 4, 2016·0 cites·20 claims
- 3963US2014356211A1Compressor having output adjustment assemblyEMERSON CLIMATE TECHNOLOGIES·Filed 2014·Application pending·0 cites
- 4054US2007101737A1Refrigeration system including thermoelectric heat recovery and actuationAKEI MASAO·Filed 2005·Application pending·0 cites
- 4150US2007092390A1Scroll compressorCOPELAND CORP·Filed 2005·Application pending·0 cites
- 4249US2019128261A1Opposed screw compressor with staggered screw rotorCARRIER CORP·Filed 2018·Application pending·0 cites
- 4349US2020325899A1Lubricant supply passage for compressorCARRIER CORP·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →