STMicroelectronics Asia Pacific Pte Ltd
467Patents
400Active
467Granted
59Portfolio score
Filing activity: May 8, 1997 → Jan 15, 2024 · 96 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9675368B2 | Touch panel scanning method, circuit and system | Physics | 642 | Active |
| US6654417B1 | One-pass variable bit rate moving pictures encoding | Electricity | 170 | Expired |
| US6205430A | Audio decoder with an adaptive frequency domain downmixer | Electricity | 108 | Expired |
| US8218457B2 | Apparatus and method for providing communication services using multiple signaling protocols | Electricity | 95 | Active |
| US9633652B2 | Methods, systems, and circuits for speaker dependent voice recognition with a single lexicon | Physics | 44 | Active |
| US6931291B1 | Method and apparatus for frequency-domain downmixing with block-switch forcing for audio decoding functions | Physics | 43 | Expired |
| US6876702B1 | Motion vector detection with local motion estimator | Electricity | 41 | Expired |
| US6356870B1 | Method and apparatus for decoding multi-channel audio data | Physics | 38 | Expired |
| US7982723B2 | Multiple touch location in a three dimensional touch screen sensor | Physics | 38 | Active |
| US8232790B2 | Architecture for controlling a dual polarity, single inductor boost regulator used as a dual polarity supply in a hard disk drive dual stage actuator (DSA) device | Electricity | 33 | Active |
| US7369989B2 | Unified filter bank for audio coding | Electricity | 33 | Expired |
| US7127368B2 | On-chip temperature sensor for low voltage operation | Physics | 32 | Expired |
| US6952677B1 | Fast frame optimization in an audio encoder | Physics | 30 | Expired |
| US7551673B1 | Adaptive motion estimator | Electricity | 30 | Expired |
| US7145607B1 | Spatio-temporal video noise reduction system | Electricity | 30 | Expired |
| US7653537B2 | Method and system for detecting voice activity based on cross-correlation | Physics | 29 | Active |
| US7003449B1 | Method of encoding an audio signal using a quality value for bit allocation | Physics | 28 | Expired |
| US7096240B1 | Channel coupling for an AC-3 encoder | Physics | 27 | Expired |
| US7424148B2 | Method and system for contrast enhancement of digital video | Physics | 27 | Active |
| US5909095A | Bemf zero-crossing detection system of a multiple-phase motor | Electricity | 27 | Expired |
| US8927909B2 | Closed loop temperature controlled circuit to improve device stability | Electricity | 26 | Active |
| US7953286B2 | Automatic contrast enhancement | Physics | 23 | Active |
| US6137540A | Method and apparatus for correcting color difference signals | Electricity | 22 | Expired |
| US7406208B2 | Edge enhancement process and system | Physics | 21 | Expired |
| US6982762B1 | Sequence adaptive bit allocation for pictures encoding | Electricity | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.