Inventor · Tokyo, JP

Akira Satake

21Patents
4h-index
42Co-inventors
63Inventor score

Filing activity: Nov 15, 1993 → Nov 18, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7554281B2 Synchronous machine control apparatus Emerging Cross-Sectional Technologies 19 Expired
US8324768B2 Rotational angle detection device and method for permanent magnet dynamo-electric machine and electric power steering device Electricity 15 Active
US7161324B1 Device for estimating pole position of synchronous motor Electricity 4 Expired
US5545943A Variable air-gap type driving device Electricity 4 Expired
US11953555B2 Abnormality diagnosis device, abnormality diagnosis method, and abnormality diagnosis system Electricity 3 Active
US6984959B2 Wound field synchronous machine control device Electricity 3 Expired
US8750009B2 Controller of a power converter that uses pulse width modulation Electricity 2 Active
US11581839B2 Rotary-machine control device, refrigerant compression apparatus, and air conditioner Mechanical Engineering; Lighting; Heating 2 Active
US7768803B2 Control device for power converter Electricity 2 Active
US10473367B2 Heat pump apparatus Emerging Cross-Sectional Technologies 1 Active
US8537580B2 Controller of power converter Electricity 1 Active
US6731095B2 Controller for multiplex winding motor Electricity 1 Expired
US10236818B2 Drive and control apparatus for multiple-winding motor Electricity 1 Active
US11177757B2 Power conversion device Emerging Cross-Sectional Technologies 0 Active
US10411633B2 Control device for AC rotating machine Electricity 0 Active
US11626825B2 Rotary machine control device, refrigerant compression device, refrigeration cycle apparatus, and air conditioner Electricity 0 Active
US7145311B2 Vector control device of winding field type synchronous machine Electricity 0 Expired
US10103674B2 Drive control apparatus for multiple-winding motor Electricity 0 Active
US11594993B2 Rotary machine controller, refrigerant compressor, refrigeration cycle system, and air conditioner Electricity 0 Active
US11489478B2 Power conversion device Electricity 0 Active
US12283899B2 Power conversion device Electricity 0 Active

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