Tomy Sebastian
43Patents
11h-index
52Co-inventors
78Inventor score
Filing activity: Feb 28, 1994 → Mar 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5410229A | Motor speed control circuit with electronic clutch | Emerging Cross-Sectional Technologies | 78 | Expired |
| US7307416B2 | Position sensor and assembly | Physics | 58 | Expired |
| US7474090B2 | Position sensor and assembly | Physics | 57 | Active |
| US5982067A | Brushless DC motor having reduced torque ripple for electric power steering | Electricity | 43 | Expired |
| US6759780B2 | Fractional-slot winding motor | Emerging Cross-Sectional Technologies | 33 | Expired |
| US7174795B2 | Integrated non-contacting torque and absolute position sensor for steering applications | Physics | 27 | Expired |
| US6801012B1 | Sensorless control of switched reluctance electric machines | Electricity | 19 | Expired |
| US7021160B2 | Apparatus for sensing position and/or torque | Physics | 15 | Expired |
| US6788013B2 | Permanent magnet electric motor and method of making same | Electricity | 15 | Expired |
| US6713921B2 | Permanent magnet structure for brushless motor and power assist actuator using the same | Electricity | 12 | Expired |
| US6380658B1 | Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors | Electricity | 11 | Expired |
| US6690135B2 | Method for compensating for dead time non-linearities in a pulse width modulation controlled switching scheme | Electricity | 11 | Expired |
| US7639004B2 | Apparatus for sensing angular displacement between first and second rotating shafts including flux collectors | Physics | 8 | Active |
| US7188533B2 | Apparatus for sensing position and/or torque | Physics | 8 | Expired |
| US6577086B2 | Device for disconnecting a neutral point of a motor | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6851324B2 | Non-contacting compliant torque sensor | Physics | 6 | Expired |
| US7659679B2 | System and method for adjusting a dead-time interval in a motor control circuit | Performing Operations; Transporting | 6 | Active |
| US7898139B2 | Variable effort steering actuator | Performing Operations; Transporting | 5 | Active |
| US6982537B2 | Identification of parameters for switched reluctance electric machines | Electricity | 5 | Expired |
| US6437526B1 | Commutation system for torque ripple minimization | Electricity | 4 | Expired |
| US7298967B2 | Electromagnetic sensor direct communication algorithm to a digital microprocessor | Performing Operations; Transporting | 4 | Active |
| US6851325B2 | DSP based algorithm for non-contacting torque sensor | Physics | 4 | Expired |
| US9143081B2 | Motor control system having bandwidth compensation | Electricity | 3 | Active |
| US6803740B2 | Method and apparatus for determining phase current of switched reluctance electric machines | Electricity | 3 | Expired |
| US9136785B2 | Motor control system to compensate for torque ripple | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.