Inventor · Tokyo, JP

Yoshihito Asao

309Patents
25h-index
116Co-inventors
93Inventor score

Filing activity: Dec 21, 1994 → Jul 5, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6501205B1 Alternator Electricity 73 Expired
US6268678A Alternator Electricity 61 Expired
US6552463B2 Dynamo-electric machine having winding phase groups of series-connected windings connected in parallel Electricity 60 Expired
US6376961B2 Coil assembly of rotating electrical machinery and method for producing the same, and stator of rotating electric machinery using the same coil assembly Electricity 50 Expired
US6462453B1 Stator for an alternator Electricity 44 Expired
US6049154A Stator for vehicle alternator Emerging Cross-Sectional Technologies 43 Expired
US6281612A Stator of AC generator for use in vehicle and method of manufacturing the same Emerging Cross-Sectional Technologies 42 Expired
US6504283B1 Alternator Electricity 38 Expired
US7417861B2 Vehicular power converter Electricity 36 Active
US6184600A Alternating-current generator for vehicles and heat sink incorporated therein Electricity 35 Expired
US6661146B2 Automotive alternator Electricity 35 Expired
US6885129B1 Ac generator for vehicle Electricity 35 Expired
US6865796B1 Method of manufacturing a stator for an alternator with reduced conductor portions Emerging Cross-Sectional Technologies 35 Expired
US6333582A Rotor for an alternator Electricity 32 Expired
US6664703B2 Stator for rotary machine and method of manufacturing the stator Emerging Cross-Sectional Technologies 32 Expired
US6285105A Vehicular AC generator Electricity 30 Expired
US6448687B2 Automotive alternator Electricity 28 Expired
US5903084A Rotor for dynamo-electric machine Electricity 28 Expired
US7067954B2 Automotive rotary electric machine Electricity 26 Expired
US6147431A Stator core and method of manufacture therefor Emerging Cross-Sectional Technologies 25 Expired
US7420312B2 Rotating electrical machine Electricity 25 Active
US6002194A Rotor for a dynamo-electric machine Electricity 25 Expired
US7208856B2 Electric rotating machine Electricity 25 Expired
US6940197B2 Rotary electric machine for vehicle and control device thereof Emerging Cross-Sectional Technologies 25 Expired
US6201335A Rotor structure Electricity 25 Expired

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