Akihito Uetake
18Patents
12h-index
34Co-inventors
74Inventor score
Filing activity: Aug 27, 1992 → Jun 20, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6483270B1 | Method and device for controlling position sensorless motor | Physics | 67 | Expired |
| US6154422A | Power-generating device, charging method and clocking device | Electricity | 65 | Expired |
| US5827148A | Variable speed drive unit for electric vehicle and variable speed driving method | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6163148A | Sensor, drive force auxiliary device using the sensor, and torque sensor zero point adjusting mechanism of the drive force auxiliary device | Physics | 55 | Expired |
| US5703449A | Controller for brushless DC motor without position sensor | Electricity | 42 | Expired |
| US5780983A | Brushless DC motor drive apparatus | Electricity | 38 | Expired |
| US5931245A | Battery control system for electric vehicle | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6107761A | Drive for electric vehicle and control method of the same | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6047460A | Method of producing a permanent magnet rotor | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5844344A | DC brushless motor having auxiliary salient poles | Electricity | 31 | Expired |
| US6034458A | DC brushless motor having an interior permanent magnet rotor with optimal magnet thickness/air gap relationship | Electricity | 25 | Expired |
| US5518373A | Compressor start-up controller | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6952625B2 | Recycling job supporting system, recycling center equipment, information management center equipment, equipment program, and recycling job supporting method | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5253481A | Control unit for activating compressor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7382688B2 | Ultrasonic transducer, ultrasonic speaker, and method of controlling the driving of ultrasonic transducer | Electricity | 7 | Active |
| US7909466B2 | Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector | Electricity | 6 | Active |
| US5703768A | Motor control apparatus | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8130973B2 | Superdirectional acoustic system and projector | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.