Akitomi Semba
21Patents
6h-index
31Co-inventors
65Inventor score
Filing activity: Nov 18, 1999 → Feb 27, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6359361B1 | Armature winding and rotating electric machine using the same | Electricity | 12 | Expired |
| US6201323A | Rotating machine | Electricity | 10 | Expired |
| US6936939B2 | Rotating electric machine and cooling method thereof | Electricity | 7 | Expired |
| US6316852A | Rotating machine | Electricity | 7 | Expired |
| US6262501A | Rotating machine | Electricity | 7 | Expired |
| US6359351B1 | Rotating machine | Electricity | 6 | Expired |
| US6262502A | Rotating machine | Electricity | 6 | Expired |
| US7898128B2 | Forced cooling rotary electric machine | Electricity | 5 | Active |
| US8049378B2 | Forced cooling rotary electric machine | Electricity | 4 | Active |
| US6538351B2 | Rotating machine with plural coolers in plural ventilation passages | Electricity | 4 | Expired |
| US7832934B2 | Thrust bearing device | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US6265795A | Rotating machine | Electricity | 4 | Expired |
| US7638909B2 | Rotor of rotary-electric machine | Electricity | 3 | Active |
| US7939977B2 | Rotary electrical device having particular coil support structure | Electricity | 3 | Active |
| US7728473B2 | Electric rotating machine and manufacturing method of the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US7521829B2 | Electric rotating machine and manufacturing method of the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US6737768B2 | Rotating electric machine | Electricity | 2 | Expired |
| US6724107B1 | Dynamo-electric machine | Electricity | 2 | Expired |
| US7825559B2 | Rotating machine | Electricity | 1 | Active |
| US8882356B2 | Horizontal shaft type rotary machine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7893574B2 | Rotor of rotary-electric machine | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.