Inventor · disambiguated record
Akira Hiwata
Also filed as: HIWATA AKIRA
22 granted patents·14 pending applications·163 citations·filing 2002–2023
94Inventor score
Files withPANASONIC IP MAN CO LTD19MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10HIWATA AKIRA2MATUSUSHITA ELECTRIC IND CO LT1NAKATANI KAZUO1
Top patents by PatentIndex Score
36 records- 0194US7229261B2Scroll compressor having an annular recess located outside an annular seal portion and another recess communicating with suction port of fixed scrollMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 12, 2007·68 cites·18 claims
- 0278US6827563B2Scroll compressor for carbon dioxide supplied with a lubricantMATUSUSHITA ELECTRIC IND CO LT·Filed 2003·Granted Dec 7, 2004·20 cites·7 claims
- 0375US10570775B2Turbo machinePANASONIC IP MAN CO LTD·Filed 2016·Granted Feb 25, 2020·2 cites·8 claims
- 0475US10408232B2Turbo machinePANASONIC IP MAN CO LTD·Filed 2016·Granted Sep 10, 2019·2 cites·6 claims
- 0574US10066634B2Turbo machinePANASONIC IP MAN CO LTD·Filed 2015·Granted Sep 4, 2018·2 cites·11 claims
- 0671US7905715B2Scroll compressor having a fixed scroll part and an orbiting scroll partPANASONIC CORP·Filed 2004·Granted Mar 15, 2011·12 cites·21 claims
- 0767US9568004B2Rotary compressorPANASONIC IP MAN CO LTD·Filed 2012·Granted Feb 14, 2017·1 cites·14 claims
- 0864US6877340B2ExpanderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 12, 2005·11 cites·7 claims
- 0963US6880357B2Refrigeration cycle apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 19, 2005·10 cites·10 claims
- 1060US2025289987A1Air conditionerPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1160US2025286425A1Compressor for refrigeration cycle systemPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1259US2025290678A1Refrigeration cycle devicePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1359US2025290502A1Refrigeration cycle devicePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1459US2025321035A1Refrigeration cycle devicePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1558US9383123B2Refrigeration cycle device capable of efficiently varying capacity providing a first and a second compressing mechanism disposed in a hermetic containerHIWATA AKIRA·Filed 2012·Granted Jul 5, 2016·1 cites·5 claims
- 1658US6945066B2Refrigeration cycle apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 20, 2005·9 cites·20 claims
- 1758US2025271191A1Refrigeration devicePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 1857US2025389460A1Refrigeration cycle devicePANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 1957US2025271179A1Freezing apparatusPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 2056US2025093082A1Air conditionerPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 2156US2024400875A1Refrigerant composition, refrigeration cycle working medium, and refrigeration cycle systemPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 2255US2025334308A1Refrigeration cycle devicePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 2354US7699591B2Scroll compressor with surface processed orbiting scroll plate back surfaceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 20, 2010·5 cites·4 claims
- 2454US7614859B2Scroll compressor with certain pressure ratio between discharge pressure and suction pressure and with certain ratio of diameter of orbiting mirror plate and outer diameter of the annular sealMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 10, 2009·5 cites·6 claims
- 2553US6854283B2Determining method of high pressure of refrigeration cycle apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 15, 2005·6 cites·4 claims
- 2651US6935852B2Scroll compressor having a back pressure chamber comprising high and middle pressure chambersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 30, 2005·4 cites·4 claims
- 2750USRE43312ERefrigeration cycle apparatusNAKATANI KAZUO·Filed 2007·Granted Apr 17, 2012·0 cites·10 claims
- 2848US7244114B2Scroll compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 17, 2007·3 cites·14 claims
- 2947US9512841B2Rotary compressor with oil retaining portionPANASONIC IP MAN CO LTD·Filed 2012·Granted Dec 6, 2016·0 cites·13 claims
- 3046US7458789B2Scroll compressorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 2, 2008·2 cites·26 claims
- 3144US8177533B2Scroll expander and refrigeration cycle apparatusWADA MASANOBU·Filed 2007·Granted May 15, 2012·0 cites·3 claims
- 3242US9546659B2Rotary compressorOGATA TAKESHI·Filed 2012·Granted Jan 17, 2017·0 cites·12 claims
- 3341US2017211584A1Impeller, centrifugal compressor, and refrigeration cycle apparatusPANASONIC IP MAN CO LTD·Filed 2017·Application pending·0 cites
- 3437US2014099218A1Rotary compressorHIWATA AKIRA·Filed 2012·Application pending·0 cites
- 3535US10670030B2Turbo machine and refrigerating cycle apparatusPANASONIC IP MAN CO LTD·Filed 2016·Granted Jun 2, 2020·0 cites·10 claims
- 3635US2015300697A1Turbomachine and refrigeration cycle apparatusPANASONIC IP MAN CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →