Psytechnics Limited
19Patents
13Active
19Granted
43Portfolio score
Filing activity: Aug 6, 2002 → Apr 21, 2009 · 11 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7124349B2 | Method and apparatus for transmission error characterization | Electricity | 10 | Expired |
| US7606704B2 | Quality assessment tool | Physics | 7 | Expired |
| US7406419B2 | Quality assessment tool | Physics | 5 | Active |
| US7768937B2 | Video quality assessment | Electricity | 5 | Active |
| US6928592B2 | Communication channel accuracy measurement | Electricity | 5 | Expired |
| US7412375B2 | Speech quality assessment with noise masking | Electricity | 4 | Active |
| US8682650B2 | Speech-quality assessment method and apparatus that identifies part of a signal not generated by human tract | Physics | 4 | Active |
| US8548804B2 | Generating sample error coefficients | Physics | 3 | Active |
| US7088778B2 | Method and apparatus for measurement of channel transmission accuracy | Electricity | 3 | Expired |
| US8396323B2 | Method and apparatus for measuring blockiness in video images | Physics | 3 | Active |
| US8363938B2 | Method and apparatus for aligning signals | Electricity | 1 | Active |
| US7657388B2 | Quality assessment tool | Physics | 1 | Expired |
| US7526394B2 | Quality assessment tool | Physics | 1 | Expired |
| US8649440B2 | Method and apparatus for image signal normalisation | Electricity | 1 | Active |
| US7843850B2 | Video quality assessment | Electricity | 1 | Active |
| US8072892B2 | Generating test sets | Electricity | 0 | Active |
| US8009825B2 | Signal processing | Electricity | 0 | Active |
| US8243143B2 | Method and apparatus for generation of a video quality parameter | Electricity | 0 | Active |
| US8204335B2 | Method and apparatus for measuring blockiness in video images | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.