Huaya Microelectronics
24Patents
16Active
24Granted
42Portfolio score
Filing activity: Oct 18, 2002 → Jun 5, 2009 · 15 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7336112B1 | False lock protection in a delay-locked loop (DLL) | Electricity | 93 | Active |
| US7161634B2 | Encoding system for error diffusion dithering | Physics | 33 | Expired |
| US7176982B2 | Recursive noise reduction with still pixel detection | Electricity | 12 | Expired |
| US7030934B2 | Video system for combining multiple video signals on a single display | Electricity | 8 | Expired |
| US7200278B2 | 4×4 pixel-based edge detection and edge enhancement without line buffer overhead | Physics | 7 | Expired |
| US7176977B2 | Frame rate conversion of interlaced and progressive video streams | Electricity | 6 | Expired |
| US7142223B2 | Mixed 2D and 3D de-interlacer | Physics | 5 | Expired |
| US7957611B2 | Image scaler with controllable sharpness | Physics | 5 | Active |
| US7554610B2 | Color-crossing error detection system and method for decoded composite video signals | Electricity | 5 | Active |
| US7593066B2 | Chrominance control unit and method for video images | Electricity | 4 | Expired |
| US7697075B2 | Color-crossing error suppression system and method for decoded composite video signals | Electricity | 4 | Active |
| US7808559B2 | System and method for accumulative stillness analysis of video signals | Electricity | 4 | Active |
| US7561209B2 | Image enhancement unit and method for image quality improvement of a video stream | Physics | 3 | Active |
| US7532255B2 | Color transient improvement unit and method to reduce blurring at color transients in video images | Electricity | 3 | Active |
| US8237863B2 | Adaptive gain and offset control in a digital video decoder | Electricity | 2 | Active |
| US7505083B2 | Directional interpolative smoother | Electricity | 1 | Active |
| US8174621B2 | Digital video decoder architecture | Electricity | 1 | Active |
| US7720301B2 | Structure characterization of images | Electricity | 1 | Expired |
| US8238443B2 | Digital timing extraction and recovery in a digital video decoder | Electricity | 1 | Active |
| US7804544B2 | Still pixel detection using multiple windows and thresholds | Electricity | 0 | Active |
| US7701514B2 | Recursive noise reduction with still pixel detection | Electricity | 0 | Active |
| US8363734B2 | Multi-directional comb filtering in a digital video decoder | Electricity | 0 | Active |
| US8018533B2 | Independent chrominance control method and system for images | Electricity | 0 | Active |
| US8144254B2 | Contour enhancement unit and method to enhance the contours of an image | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.