Minoru Kurosawa
45Patents
11h-index
41Co-inventors
75Inventor score
Filing activity: Feb 10, 1989 → Dec 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6972918B2 | Magnetic disk memory system | Physics | 57 | Expired |
| US7071640B2 | Rotation drive control circuit of multiphases direct current motor and the start-up method thereof | Electricity | 32 | Expired |
| US5917267A | Linear drive mechanism using electromechanical conversion element | Electricity | 28 | Expired |
| US7088063B2 | Motor drive device and integrated circuit device for motor driving | Physics | 22 | Expired |
| US6998801B2 | Motor drive device and motor drive integrated circuit device | Electricity | 20 | Expired |
| US9178462B2 | Motor drive controller and method for operating the same | Electricity | 19 | Active |
| US7119508B2 | Drive control device for direct current motor, rotation drive system for direct current motor and semiconductor integrated circuit for driving coil | Electricity | 17 | Expired |
| US4885499A | Ultrasonic driven type motor | Electricity | 16 | Expired |
| US5233257A | Piezo-electric motor | Electricity | 15 | Expired |
| US7294982B2 | Motor drive device and integrated circuit device for motor driving | Physics | 15 | Expired |
| US5001382A | Stepping motor and a method of driving the same | Electricity | 13 | Expired |
| US8258732B2 | Drive system of synchronous motor | Electricity | 11 | Active |
| US7723937B2 | Drive control device of motor and a method of start-up | Electricity | 10 | Active |
| US8232751B2 | Drive system of synchronous motor | Electricity | 9 | Active |
| US8089232B2 | Motor drive device and semiconductor integrated circuit device | Electricity | 7 | Active |
| US6801382B2 | Magnetic disk storage apparatus | Electricity | 7 | Expired |
| US6285113A | Surface acoustic wave actuator, and magnetic disk device and optical disk device using the same | Electricity | 5 | Expired |
| US6003370A | Elastic surface wave gyroscope | Physics | 4 | Expired |
| US6237414A | Elastic surface wave gyroscope | Physics | 4 | Expired |
| US8963455B2 | Motor drive control device and operation method thereof | Physics | 4 | Active |
| US7411365B2 | Drive control device of motor and a method of start-up | Electricity | 4 | Active |
| US7915844B2 | Motor driving apparatus and method for control of motor revolution | Electricity | 4 | Active |
| US7859209B2 | Control device for synchronous motor | Electricity | 4 | Active |
| US9503011B2 | Motor driving method, motor driving device, and hard disk device | Electricity | 3 | Active |
| US8816626B2 | Motor drive control device and operating method thereof | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.