Inventor · disambiguated record
Akihiro Nakaniwa
Also filed as: NAKANIWA AKIHIRO
35 granted patents·22 pending applications·72 citations·filing 2008–2023
95Inventor score
Files withMITSUBISHI HEAVY IND COMPRESSOR CORP31MITSUBISHI HEAVY IND LTD16NAKANIWA AKIHIRO7KAWANISHI DAISUKE1WAKAI TOKIYA1
Top patents by PatentIndex Score
57 records- 0193US11927199B2CompressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2022·Granted Mar 12, 2024·4 cites·18 claims
- 0292US11572888B2Impeller of rotating machine and rotating machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2021·Granted Feb 7, 2023·2 cites·13 claims
- 0388US10865799B2Centrifugal compression test deviceMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2017·Granted Dec 15, 2020·5 cites·7 claims
- 0487US10066750B2Rotary machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2013·Granted Sep 4, 2018·6 cites·10 claims
- 0586US10400788B2Intermediate intake-type diaphragm and centrifugal rotating machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2015·Granted Sep 3, 2019·5 cites·7 claims
- 0682US10458430B2Centrifugal-compressor casing and centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2015·Granted Oct 29, 2019·3 cites·6 claims
- 0782US10087950B2Centrifugal rotation machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2013·Granted Oct 2, 2018·5 cites·5 claims
- 0879US11035471B2Sealing device and compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2018·Granted Jun 15, 2021·2 cites·9 claims
- 0978US8899931B2Impeller, compressor, and method for producing impellerNAKANIWA AKIHIRO·Filed 2010·Granted Dec 2, 2014·5 cites·7 claims
- 1077US9347460B2Rotary machineYAGI NOBUYORI·Filed 2011·Granted May 24, 2016·4 cites·8 claims
- 1175US11053952B2Impeller and rotary machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2018·Granted Jul 6, 2021·2 cites·11 claims
- 1274US9776217B2Centrifugal compressor and washing methodMITSUBISHI HEAVY IND LTD·Filed 2015·Granted Oct 3, 2017·1 cites·7 claims
- 1373US10197063B2Centrifugal fluid machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2014·Granted Feb 5, 2019·3 cites·3 claims
- 1473US9903385B2Impeller, rotary machine including the same, and method for manufacturing impellerKAWANISHI DAISUKE·Filed 2011·Granted Feb 27, 2018·6 cites·14 claims
- 1571US10871164B2Centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2017·Granted Dec 22, 2020·1 cites·2 claims
- 1671US9664055B2Impeller and rotary machine provided with the sameMITSUBISHI HEAVY IND LTD·Filed 2012·Granted May 30, 2017·4 cites·4 claims
- 1768US8956118B2Impeller of centrifugal compressorWAKAI TOKIYA·Filed 2010·Granted Feb 17, 2015·6 cites·7 claims
- 1868US2022403853A1Impeller and centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2022·Application pending·0 cites
- 1966US10458438B2Centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2015·Granted Oct 29, 2019·1 cites·7 claims
- 2063US2021062821A1Impeller and centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2020·Application pending·0 cites
- 2161US8328510B2Sealing device for rotary fluid machine, and rotary fluid machineNAKANIWA AKIHIRO·Filed 2008·Granted Dec 11, 2012·3 cites·8 claims
- 2256US11236758B2Impeller and rotary machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2020·Granted Feb 1, 2022·0 cites·6 claims
- 2356US2015139805A1Rotary machineMITSUBISHI HEAVY IND LTD·Filed 2015·Application pending·0 cites
- 2456US2015139806A1Rotary machineMITSUBISHI HEAVY IND LTD·Filed 2015·Application pending·0 cites
- 2556US2015139807A1Rotary machineMITSUBISHI HEAVY IND LTD·Filed 2015·Application pending·0 cites
- 2654US8444379B2Sealing device for rotary fluid machine, and rotary fluid machineNAKANIWA AKIHIRO·Filed 2008·Granted May 21, 2013·3 cites·8 claims
- 2753US12384554B2Electric fan and electric aircraftMITSUBISHI HEAVY IND LTD·Filed 2022·Granted Aug 12, 2025·0 cites·9 claims
- 2851US11131319B2Centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2018·Granted Sep 28, 2021·0 cites·8 claims
- 2951US9611742B2Impeller, rotor comprising same, and impeller manufacturing methodNAKANIWA AKIHIRO·Filed 2012·Granted Apr 4, 2017·1 cites·10 claims
- 3051US9194400B2Centrifugal compressor and washing methodNAKANIWA AKIHIRO·Filed 2011·Granted Nov 24, 2015·0 cites·10 claims
- 3150US11873822B2Centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2023·Granted Jan 16, 2024·0 cites·5 claims
- 3250US11047393B1Multi-stage centrifugal compressor, casing, and return vaneMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2018·Granted Jun 29, 2021·0 cites·10 claims
- 3350US2017241427A1Seal mechanism and rotating machineMITSUBISHI HEAVY IND LTD·Filed 2014·Application pending·0 cites
- 3448US11448237B2CompressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2020·Granted Sep 20, 2022·0 cites·4 claims
- 3547US11215195B2Centrifugal compressor and turbo refrigeratorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2018·Granted Jan 4, 2022·0 cites·14 claims
- 3647US11041497B1Centrifugal rotary machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2017·Granted Jun 22, 2021·0 cites·14 claims
- 3746US11209021B2Centrifugal rotary machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2017·Granted Dec 28, 2021·0 cites·8 claims
- 3846US2022128067A1Rotary machine and geared compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2021·Application pending·0 cites
- 3945US2023146834A1Control device and control methodMITSUBISHI HEAVY IND LTD·Filed 2021·Application pending·0 cites
- 4044US10989201B2Centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2017·Granted Apr 27, 2021·0 cites·2 claims
- 4143US11022126B2Rotary machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2017·Granted Jun 1, 2021·0 cites·7 claims
- 4243US2020063562A1Impeller, impeller manufacturing method, and rotating machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2018·Application pending·0 cites
- 4343US2013164119A1Seal structure and centrifugal compressorNAKANIWA AKIHIRO·Filed 2011·Application pending·0 cites
- 4442US10724538B2Centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2015·Granted Jul 28, 2020·0 cites·5 claims
- 4542US2022389931A1Centrifugal compressorMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2022·Application pending·0 cites
- 4641US10801505B2Rotary machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2016·Granted Oct 13, 2020·0 cites·9 claims
- 4741US2018038389A1Compressor system, and attachment structure for centrifugal separatorMITSUBISHI HEAVY IND LTD·Filed 2015·Application pending·0 cites
- 4841US2017298944A1Compressor systemMITSUBISHI HEAVY IND LTD·Filed 2015·Application pending·0 cites
- 4940US2019032833A1Piping for driven-type fluid machineMITSUBISHI HEAVY IND COMPRESSOR CORP·Filed 2017·Application pending·0 cites
- 5040US2017248154A1Centrifugal compressorMITSUBISHI HEAVY IND LTD·Filed 2015·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →