Inventor · disambiguated record
Naoya Morozumi
Also filed as: MOROZUMI NAOYA
33 granted patents·8 pending applications·283 citations·filing 1988–2022
96Inventor score
Top patents by PatentIndex Score
41 records- 0192US6389837B1Scroll compressorFUJITSU GENERAL LTD·Filed 2001·Granted May 21, 2002·40 cites·20 claims
- 0291US10550843B2Rotary compressorFUJITSU GENERAL LTD·Filed 2015·Granted Feb 4, 2020·5 cites·11 claims
- 0387US10436199B2Rotary compressorFUJITSU GENERAL LTD·Filed 2016·Granted Oct 8, 2019·3 cites·4 claims
- 0487US9951775B2Rotary compressorFUJITSU GENERAL LTD·Filed 2016·Granted Apr 24, 2018·3 cites·3 claims
- 0587US5152682AScroll type fluid machine with passageway for innermost working chamberTOSHIBA KK·Filed 1991·Granted Oct 6, 1992·53 cites·12 claims
- 0686US10458408B2Rotary compressor having communication path hole overlap with discharge chamber concave portionFUJITSU GENERAL LTD·Filed 2015·Granted Oct 29, 2019·3 cites·8 claims
- 0785US7780427B2Two-stage rotary compressorFUJITSU GENERAL LTD·Filed 2009·Granted Aug 24, 2010·9 cites·5 claims
- 0885US7641454B2Two-stage rotary compressorFUJITSU GENERAL LTD·Filed 2008·Granted Jan 5, 2010·12 cites·4 claims
- 0984US11060522B2Rotary compressor having reduced pressure loss of refrigerant flowFUJITSU GENERAL LTD·Filed 2017·Granted Jul 13, 2021·2 cites·5 claims
- 1084US7331774B2Back pressure control mechanism of orbiting scroll in scroll compressorFUJITSU GENERAL LTD·Filed 2006·Granted Feb 19, 2008·9 cites·3 claims
- 1182US7748968B2Two-cylinder rotary compressor with suction pipesFUJITSU GENERAL LTD·Filed 2008·Granted Jul 6, 2010·7 cites·4 claims
- 1278US4875839AScroll member for use in a positive displacement device, and a method for manufacturing the sameTOSHIBA KK·Filed 1988·Granted Oct 24, 1989·34 cites·19 claims
- 1377US9385573B2Rotor of compressor motor having a balance weight stably positionedMOROZUMI NAOYA·Filed 2010·Granted Jul 5, 2016·3 cites·1 claims
- 1477US9157437B2Rotary compressor with oiling mechanismFUJITSU GENERAL LTD·Filed 2013·Granted Oct 13, 2015·3 cites·6 claims
- 1575US5171141AScroll compressor with distal ends of the wraps having sliding contact on curved portionsTOSHIBA KK·Filed 1991·Granted Dec 15, 1992·33 cites·4 claims
- 1674US11460029B2CompressorFUJITSU GENERAL LTD·Filed 2018·Granted Oct 4, 2022·1 cites·4 claims
- 1773US9951774B2Lubrication of a rotary compressorFUJITSU GENERAL LTD·Filed 2014·Granted Apr 24, 2018·2 cites·3 claims
- 1872US12492848B2Hermetic type compressorFUJITSU GENERAL LTD·Filed 2022·Granted Dec 9, 2025·0 cites·12 claims
- 1971US10590933B2Rotary compressorFUJITSU GENERAL LTD·Filed 2017·Granted Mar 17, 2020·1 cites·7 claims
- 2067US7044723B2Scroll compressor having a throttle pin moving in the longitudinal hole of the oil supply passageFUJITSU GENERAL LTD·Filed 2004·Granted May 16, 2006·12 cites·8 claims
- 2165US7393191B2Internal refrigerant gas circulation apparatus for a closed-type scroll compressorFUJITSU GENERAL LTD·Filed 2004·Granted Jul 1, 2008·9 cites·10 claims
- 2264US8857211B2Injectable two-staged rotary compressor and heat pump systemMOROZUMI NAOYA·Filed 2008·Granted Oct 14, 2014·3 cites·19 claims
- 2362US6561776B2Scroll compressorFUJITSU GENERAL LTD·Filed 2001·Granted May 13, 2003·8 cites·6 claims
- 2457US8029255B2Lubricating oil circulating device for compressorFUJITSU GENERAL LTD·Filed 2005·Granted Oct 4, 2011·1 cites·3 claims
- 2553US11408425B2Rotary compressorFUJITSU GENERAL LTD·Filed 2019·Granted Aug 9, 2022·0 cites·2 claims
- 2652US11927189B2Hermetic compressorFUJITSU GENERAL LTD·Filed 2021·Granted Mar 12, 2024·0 cites·3 claims
- 2752US5026264AFluid compressorTOSHIBA KK·Filed 1990·Granted Jun 25, 1991·14 cites·4 claims
- 2851US2008078191A1Rotary compressor and heat pump systemFUJITSU GENERAL LTD·Filed 2007·Application pending·0 cites
- 2948US2009180912A1Rotary compressorFUJITSU GENERAL LTD·Filed 2009·Application pending·0 cites
- 3048US2010054978A1Injectible two-stage compression rotary compressorFUJITSU GENERAL LTD·Filed 2009·Application pending·0 cites
- 3147US2009087321A1Two-stage compression rotary compressorFUJITSU GENERAL LTD·Filed 2008·Application pending·0 cites
- 3246US6872062B2Scroll compressorFUJITSU GENERAL LTD·Filed 2004·Granted Mar 29, 2005·2 cites·2 claims
- 3346US2008240954A1Rotary compressorFUJITSU GENERAL LTD·Filed 2008·Application pending·0 cites
- 3446US2008236192A1Rotary compressor and heat pump systemFUJITSU GENERAL LTD·Filed 2008·Application pending·0 cites
- 3544US10495091B2Rotary compressor having an injection connecting pipe that extends to an upper portion of a compressor housing and that is linked to an injection pipe via an injection pipe taking-out portionFUJITSU GENERAL LTD·Filed 2017·Granted Dec 3, 2019·0 cites·5 claims
- 3644US10408213B2Rotary compressorFUJITSU GENERAL LTD·Filed 2016·Granted Sep 10, 2019·0 cites·4 claims
- 3744US5062778AHelical blade type compressor with thrust loss compensationTOSHIBA KK·Filed 1991·Granted Nov 5, 1991·10 cites·16 claims
- 3843US10738779B2Rotary compressorFUJITSU GENERAL LTD·Filed 2017·Granted Aug 11, 2020·0 cites·5 claims
- 3941US2016281717A1Rotary compressorFUJITSU GENERAL LTD·Filed 2016·Application pending·0 cites
- 4039US2011027117A1Rotary compressorFUJITSU GENERAL LTD·Filed 2010·Application pending·0 cites
- 4128US5350280AFluid compressorTOSHIBA KK·Filed 1992·Granted Sep 27, 1994·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →