Aimtron Technology Corp.
41Patents
10Active
41Granted
43Portfolio score
Filing activity: Apr 16, 2003 → Dec 19, 2006 · 10 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7157888B2 | Light loading control circuit for a buck-boost voltage converter | Emerging Cross-Sectional Technologies | 129 | Expired |
| US7176667B2 | Buck-boost voltage converter | Emerging Cross-Sectional Technologies | 124 | Expired |
| US7145295B1 | Dimming control circuit for light-emitting diodes | Emerging Cross-Sectional Technologies | 122 | Expired |
| US7250810B1 | Multi-mode charge pump drive circuit with improved input noise at a moment of mode change | Emerging Cross-Sectional Technologies | 92 | Active |
| US7180274B2 | Switching voltage regulator operating without a discontinuous mode | Emerging Cross-Sectional Technologies | 64 | Expired |
| US7164245B1 | Brushless motor drive device | Electricity | 50 | Expired |
| US6972548B2 | Pulse frequency modulated voltage regulator capable of prolonging a minimum off-time | Electricity | 48 | Expired |
| US6995603B2 | High efficiency charge pump with prevention from reverse current | Electricity | 44 | Expired |
| US6903537B2 | Switching DC-to-DC converter with multiple output voltages | Electricity | 37 | Expired |
| US7271642B2 | Charge pump drive circuit for a light emitting diode | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6791368B2 | Current sensing circuit and method of a high-speed driving stage | Electricity | 33 | Expired |
| US7221213B2 | Voltage regulator with prevention from overvoltage at load transients | Physics | 23 | Expired |
| US7334854B1 | Sensorless start-up method for driving a brushless DC motor | Electricity | 22 | Active |
| US7180757B2 | Sequential soft-start circuit for multiple circuit channels | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7106032B2 | Linear voltage regulator with selectable light and heavy load paths | Physics | 20 | Expired |
| US6924611B1 | Brushless motor drive device | Electricity | 19 | Expired |
| US7450354B2 | Linear voltage regulator with improved responses to source transients | Physics | 16 | Active |
| US7015663B1 | Brushless motor drive device | Electricity | 16 | Expired |
| US7341374B2 | Temperature measurement circuit calibrated through shifting a conversion reference level | Physics | 13 | Expired |
| US7009857B2 | Soft-start charge pump circuit | Electricity | 12 | Expired |
| US6943514B1 | Motor control circuit for supplying a controllable driving current | Electricity | 11 | Expired |
| US7071665B2 | Method of reducing a ripple of a heavy loading pulse frequency modulated voltage regulator | Electricity | 11 | Expired |
| US7050914B2 | Current sensing circuit | Physics | 10 | Expired |
| US7292018B2 | Reverse current preventing circuit with an automatic correction of reference | Emerging Cross-Sectional Technologies | 9 | Active |
| US7339430B2 | Rail-to-rail operational amplifier with an enhanced slew rate | Electricity | 8 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.