Inventor
NAKANIWA AKIHIRO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “NAKANIWA AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI HEAVY IND COMPRESSOR CORP
24 patentsUS11572888B2Feb 7, 2023
Impeller of rotating machine and rotating machine
MITSUBISHI HEAVY IND COMPRESSOR CORP2 citations73
US10458430B2Oct 29, 2019
Centrifugal-compressor casing and centrifugal compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP3 citations73
US10087950B2Oct 2, 2018
Centrifugal rotation machine
MITSUBISHI HEAVY IND COMPRESSOR CORP5 citations73
US11927199B2Mar 12, 2024
Compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP4 citations72
US11035471B2Jun 15, 2021
Sealing device and compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP2 citations72
US10865799B2Dec 15, 2020
Centrifugal compression test device
MITSUBISHI HEAVY IND COMPRESSOR CORP5 citations72
US10400788B2Sep 3, 2019
Intermediate intake-type diaphragm and centrifugal rotating machine
MITSUBISHI HEAVY IND COMPRESSOR CORP5 citations72
US10197063B2Feb 5, 2019
Centrifugal fluid machine
MITSUBISHI HEAVY IND COMPRESSOR CORP3 citations72
US10066750B2Sep 4, 2018
Rotary machine
MITSUBISHI HEAVY IND COMPRESSOR CORP6 citations72
US11053952B2Jul 6, 2021
Impeller and rotary machine
MITSUBISHI HEAVY IND COMPRESSOR CORP2 citations69
US10871164B2Dec 22, 2020
Centrifugal compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP1 citations62
US10458438B2Oct 29, 2019
Centrifugal compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP1 citations62
US11448237B2Sep 20, 2022
Compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations52
US11215195B2Jan 4, 2022
Centrifugal compressor and turbo refrigerator
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations52
US10989201B2Apr 27, 2021
Centrifugal compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations52
US11236758B2Feb 1, 2022
Impeller and rotary machine
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations51
US11209021B2Dec 28, 2021
Centrifugal rotary machine
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations51
US11047393B1Jun 29, 2021
Multi-stage centrifugal compressor, casing, and return vane
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations51
US11041497B1Jun 22, 2021
Centrifugal rotary machine
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations51
US11873822B2Jan 16, 2024
Centrifugal compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations50
US11131319B2Sep 28, 2021
Centrifugal compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations49
US11022126B2Jun 1, 2021
Rotary machine
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations48
US10724538B2Jul 28, 2020
Centrifugal compressor
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations42
US10801505B2Oct 13, 2020
Rotary machine
MITSUBISHI HEAVY IND COMPRESSOR CORP0 citations38
NAKANIWA AKIHIRO
5 patentsUS8899931B2Dec 2, 2014
Impeller, compressor, and method for producing impeller
NAKANIWA AKIHIRO5 citations70
US8328510B2Dec 11, 2012
Sealing device for rotary fluid machine, and rotary fluid machine
NAKANIWA AKIHIRO3 citations61
US8444379B2May 21, 2013
Sealing device for rotary fluid machine, and rotary fluid machine
NAKANIWA AKIHIRO3 citations52
US9194400B2Nov 24, 2015
Centrifugal compressor and washing method
NAKANIWA AKIHIRO0 citations51
US9611742B2Apr 4, 2017
Impeller, rotor comprising same, and impeller manufacturing method
NAKANIWA AKIHIRO1 citations49
MITSUBISHI HEAVY IND LTD
3 patentsUS9664055B2May 30, 2017
Impeller and rotary machine provided with the same
MITSUBISHI HEAVY IND LTD4 citations72
US9776217B2Oct 3, 2017
Centrifugal compressor and washing method
MITSUBISHI HEAVY IND LTD1 citations52
US12384554B2Aug 12, 2025
Electric fan and electric aircraft
MITSUBISHI HEAVY IND LTD0 citations46