Inventor · Tokyo, JP

Akihiro Nakaniwa

35Patents
3h-index
41Co-inventors
59Inventor score

Filing activity: May 26, 2008 → Jan 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9664055B2 Impeller and rotary machine provided with the same Mechanical Engineering; Lighting; Heating 3 Active
US10400788B2 Intermediate intake-type diaphragm and centrifugal rotating machine Mechanical Engineering; Lighting; Heating 3 Active
US9903385B2 Impeller, rotary machine including the same, and method for manufacturing impeller Emerging Cross-Sectional Technologies 3 Active
US10066750B2 Rotary machine Mechanical Engineering; Lighting; Heating 3 Active
US9347460B2 Rotary machine Mechanical Engineering; Lighting; Heating 3 Active
US8956118B2 Impeller of centrifugal compressor Mechanical Engineering; Lighting; Heating 3 Active
US8899931B2 Impeller, compressor, and method for producing impeller Mechanical Engineering; Lighting; Heating 3 Active
US8444379B2 Sealing device for rotary fluid machine, and rotary fluid machine Mechanical Engineering; Lighting; Heating 2 Active
US8328510B2 Sealing device for rotary fluid machine, and rotary fluid machine Mechanical Engineering; Lighting; Heating 2 Active
US10197063B2 Centrifugal fluid machine Mechanical Engineering; Lighting; Heating 2 Active
US11035471B2 Sealing device and compressor Mechanical Engineering; Lighting; Heating 2 Active
US10087950B2 Centrifugal rotation machine Mechanical Engineering; Lighting; Heating 2 Active
US10458430B2 Centrifugal-compressor casing and centrifugal compressor Mechanical Engineering; Lighting; Heating 2 Active
US11572888B2 Impeller of rotating machine and rotating machine Mechanical Engineering; Lighting; Heating 1 Active
US10871164B2 Centrifugal compressor Mechanical Engineering; Lighting; Heating 1 Active
US9611742B2 Impeller, rotor comprising same, and impeller manufacturing method Emerging Cross-Sectional Technologies 1 Active
US11927199B2 Compressor Mechanical Engineering; Lighting; Heating 1 Active
US10865799B2 Centrifugal compression test device Mechanical Engineering; Lighting; Heating 1 Active
US11873822B2 Centrifugal compressor Mechanical Engineering; Lighting; Heating 0 Active
US11448237B2 Compressor Mechanical Engineering; Lighting; Heating 0 Active
US10458438B2 Centrifugal compressor Mechanical Engineering; Lighting; Heating 0 Active
US10724538B2 Centrifugal compressor Mechanical Engineering; Lighting; Heating 0 Active
US12384554B2 Electric fan and electric aircraft Mechanical Engineering; Lighting; Heating 0 Active
US10989201B2 Centrifugal compressor Mechanical Engineering; Lighting; Heating 0 Active
US9776217B2 Centrifugal compressor and washing method Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.