UPI SEMICONDUCTOR CORP.
118Patents
118Active
118Granted
58Portfolio score
Filing activity: Apr 18, 2008 → Mar 10, 2023 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7609114B2 | Voltage generating apparatus and methods | Electricity | 93 | Active |
| US8030908B2 | Control method for multi-phase DC-DC controller and multi-phase DC-DC controller | Electricity | 20 | Active |
| US7923977B2 | DC-DC converters with transient response control | Emerging Cross-Sectional Technologies | 16 | Active |
| US8283905B2 | Voltage converter and control method thereof | Electricity | 14 | Active |
| US8395367B2 | DC-DC converter with a constant on-time pulse width modulation controller | Emerging Cross-Sectional Technologies | 13 | Active |
| US8742745B2 | DC-DC converter and voltage conversion method thereof | Emerging Cross-Sectional Technologies | 8 | Active |
| US7928704B2 | Droop circuits and multi-phase DC-DC converters | Emerging Cross-Sectional Technologies | 8 | Active |
| US8816657B2 | Multi-phase DC-DC power converter | Electricity | 8 | Active |
| US9859883B2 | Gate driver and control method thereof | Electricity | 5 | Active |
| US10103727B1 | Power switch circuit and integrated circuit of power switch controller | Electricity | 4 | Active |
| US9116534B2 | DC-DC controller having transient response enhancement | Electricity | 4 | Active |
| US9001482B2 | Short-circuit protection circuit of light emitting diode and short-circuit protection method thereof and light emitting diode driving apparatus using the same | Emerging Cross-Sectional Technologies | 4 | Active |
| US9859740B2 | Adapter, portable electronic device and charge control method thereof | Electricity | 3 | Active |
| US8624574B2 | Pulse width modulation controller of DC-DC converter | Emerging Cross-Sectional Technologies | 3 | Active |
| US9030184B2 | DC-DC converter and voltage conversion method thereof | Electricity | 3 | Active |
| US11258360B2 | Switched-capacitor power converting apparatus and operating method thereof | Electricity | 3 | Active |
| US8816746B2 | Integrated circuit with multi-functional parameter setting and multi-functional parameter setting method thereof | Physics | 3 | Active |
| US9852860B2 | Parameter setting circuit of a power conversion apparatus and a method for generating a current | Physics | 2 | Active |
| US9467044B2 | Timing generator and timing signal generation method for power converter | Electricity | 2 | Active |
| US10263417B2 | Transient voltage suppressing integrated circuit | Electricity | 2 | Active |
| US9634563B2 | Ramp signal generating method and generator thereof, and pulse width modulation signal generator | Electricity | 2 | Active |
| US8754618B2 | Control method for multi-phase DC-DC controller and multi-phase DC-DC controller | Electricity | 2 | Active |
| US9843252B1 | Multi-phase power controller, multi-phase power control device and operation method of multi-phase power controller | Electricity | 2 | Active |
| US11283355B2 | Power conversion circuit and simulation current signal generation circuit thereof | Electricity | 2 | Active |
| US8058856B2 | Multi-phase DC-DC converter and method for balancing channel currents | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.