Atsushi Umeda
104Patents
38h-index
48Co-inventors
90Inventor score
Filing activity: Oct 13, 1993 → Aug 24, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5998903A | Alternator for an automotive vehicle | Electricity | 132 | Expired |
| US5965965A | Stator winding arrangement of alternator for vehicle | Electricity | 100 | Expired |
| US6181043A | Alternator for vehicle | Electricity | 99 | Expired |
| US5483116A | Rotor for a rotating electric machine | Electricity | 96 | Expired |
| US5955810A | Alternator for vehicle | Electricity | 90 | Expired |
| US6011332A | Stator cooling arrangement of alternator for vehicle | Electricity | 85 | Expired |
| US6291918A | Alternator for vehicle | Electricity | 85 | Expired |
| US6147432A | AC generator stator for vehicle | Electricity | 75 | Expired |
| US6097130A | Alternator for vehicle | Electricity | 74 | Expired |
| US6417592B2 | Rotary electric machine for vehicle | Electricity | 73 | Expired |
| US6137201A | AC generator for vehicles | Electricity | 71 | Expired |
| US6201332A | AC generator stator for vehicle | Electricity | 70 | Expired |
| US5691590A | Alternator with magnetic noise reduction mechanism | Electricity | 69 | Expired |
| US6124660A | AC generator for vehicles | Electricity | 67 | Expired |
| US6147430A | Stator of AC generator for vehicle | Electricity | 65 | Expired |
| US5936326A | Alternator for vehicle | Electricity | 65 | Expired |
| US6208060A | Stator of vehicle AC generator and method of manufacturing the same | Electricity | 64 | Expired |
| US5543703A | Generator motor for vehicles | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5925964A | Rotor for a rotating electric machine | Electricity | 61 | Expired |
| US6051906A | Alternator for vehicle | Electricity | 56 | Expired |
| US5568583A | Dispersion compensating optical fiber for wavelength multiplex transmission and method using same | Electricity | 55 | Expired |
| US6335583B1 | Stator of vehicle AC generator and method of manufacturing the same | Electricity | 54 | Expired |
| US5793144A | Rotor for a rotating electric machine | Electricity | 53 | Expired |
| US5449962A | Rotary electric machinery | Electricity | 53 | Expired |
| US6198190A | Alternator for an automotive vehicle | Electricity | 52 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.