HIMAX ANALOGIC, INC.
60Patents
60Active
60Granted
54Portfolio score
Filing activity: Feb 6, 2007 → Oct 16, 2019 · 42 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7768212B2 | LED driver and circuit for controlling a power switch to provide a driving voltage to at least one LED | Emerging Cross-Sectional Technologies | 10 | Active |
| US7741787B2 | Light-emitting diode driving circuit | Emerging Cross-Sectional Technologies | 7 | Active |
| US8004201B2 | LED circuit | Emerging Cross-Sectional Technologies | 6 | Active |
| US7986108B2 | LED driver and start-up feedback circuit therein | Emerging Cross-Sectional Technologies | 6 | Active |
| US7816982B2 | Switching audio power amplifier with de-noise function | Electricity | 5 | Active |
| US7843263B2 | Power amplifier with noise shaping function | Electricity | 4 | Active |
| US8368316B2 | LED circuit and operation method of the same having minimum output voltage selection mechanism to generate feedback voltage | Electricity | 3 | Active |
| US7999486B2 | Driving circuit and method for light emitting diode | Electricity | 3 | Active |
| US7592756B1 | Driving circuit for light emitting diodes | Emerging Cross-Sectional Technologies | 3 | Active |
| US8054059B2 | DC/DC converter and current sense circuit thereof | Electricity | 3 | Active |
| US7920011B1 | Voltage trimming circuit | Physics | 3 | Active |
| US7902898B2 | Delay circuit | Electricity | 3 | Active |
| US7642805B1 | Short detection circuit | Emerging Cross-Sectional Technologies | 3 | Active |
| US7701283B2 | Power amplifier with noise shaping | Electricity | 2 | Active |
| US9288855B2 | Driving circuit for driving LED load | Emerging Cross-Sectional Technologies | 2 | Active |
| US7626429B2 | Driving circuit to drive an output stage | Electricity | 2 | Active |
| US8049690B2 | Circuit and method for driving light emitting diodes | Electricity | 2 | Active |
| US7489190B2 | Switching audio power amplifier with de-noise function | Electricity | 2 | Active |
| US8564370B2 | Error amplifier and LED circuit comprising the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US7839187B2 | Counter and Frequency divider thereof | Electricity | 1 | Active |
| US8648543B1 | Illumination driving circuit | Electricity | 1 | Active |
| US7629842B2 | Class D audio amplifier | Electricity | 1 | Active |
| US7714646B2 | Audio power amplifier and a pre-amplifier thereof | Electricity | 1 | Active |
| US9203390B1 | Functional device and test mode activation circuit of the same | Electricity | 1 | Active |
| US8030978B2 | Soft-start circuit | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.