Hiroyuki Akita
98Patents
13h-index
147Co-inventors
87Inventor score
Filing activity: Sep 3, 1997 → Feb 22, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6914356B2 | Rotating electric machine and method for manufacturing the same | Electricity | 65 | Expired |
| US6369687B1 | Iron core assembly and method for producing the same | Emerging Cross-Sectional Technologies | 60 | Expired |
| US6032730A | Heat exchanger and method of manufacturing a heat exchanging member of a heat exchanger | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7420312B2 | Rotating electrical machine | Electricity | 25 | Active |
| US6856064B2 | Stator iron core of electric motor, manufacturing method thereof, electric motor, and compressor | Electricity | 23 | Expired |
| US7291954B2 | Dynamoelectric machine | Electricity | 23 | Expired |
| US7273678B2 | Secondary cell | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8324768B2 | Rotational angle detection device and method for permanent magnet dynamo-electric machine and electric power steering device | Electricity | 15 | Active |
| US6990724B2 | Dynamoelectric machine winding joining method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6710501B1 | Stator for a dynamo-electric machine and method for the manufacture thereof | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6538548B2 | Method for producing an iron core assembly | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8013490B2 | Armature | Electricity | 13 | Active |
| US6580345B2 | Switching device | Electricity | 13 | Expired |
| US6646535B2 | Magnetic core | Electricity | 12 | Expired |
| US6858964B2 | Stator iron core of electric motor, manufacturing method thereof, electric motor, and compressor | Electricity | 12 | Expired |
| US7642691B2 | Dynamoelectric machine | Electricity | 12 | Active |
| US8519583B2 | Rotary electric machine | Electricity | 11 | Active |
| US6659385B2 | Wire-winding machine and a wire-winding method for making windings of a rotary electromechanical device | Electricity | 11 | Expired |
| US7009320B2 | Stator of electric rotating machine | Electricity | 10 | Expired |
| US8217545B2 | Rotor of permanent magnet rotary machine and manufacturing method of rotor | Emerging Cross-Sectional Technologies | 10 | Active |
| US6717317B2 | Stator for a dynamoelectric machine | Electricity | 10 | Expired |
| US6076598A | Opposed flow heat exchanger | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7638910B2 | Electric rotating machine | Electricity | 9 | Active |
| US7498701B2 | Controller-integrated rotating electrical machine | Electricity | 8 | Active |
| US7898126B2 | Inverter-integrated rotating electric machine having improved thermal characteristics | Electricity | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.