Amitava Das
31Patents
9h-index
36Co-inventors
75Inventor score
Filing activity: Mar 27, 1995 → May 8, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8050919B2 | Speaker recognition via voice sample based on multiple nearest neighbor classifiers | Physics | 60 | Active |
| US6640209B1 | Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder | Physics | 53 | Expired |
| US5890110A | Variable dimension vector quantization | Physics | 31 | Expired |
| US7310307B1 | System and method for authenticating an element in a network environment | Electricity | 28 | Expired |
| US6996225B1 | Arrangement for controlling congestion in an SS7 signaling node based on packet classification | Electricity | 25 | Expired |
| US6449592B1 | Method and apparatus for tracking the phase of a quasi-periodic signal | Physics | 18 | Expired |
| US7716723B1 | System and method for network user authentication | Electricity | 17 | Expired |
| US6463407B2 | Low bit-rate coding of unvoiced segments of speech | Physics | 12 | Expired |
| US6260017A | Multipulse interpolative coding of transition speech frames | Physics | 11 | Expired |
| US6754630B2 | Synthesis of speech from pitch prototype waveforms by time-synchronous waveform interpolation | Physics | 8 | Expired |
| US7222195B2 | System and method for distributing information in a network environment | Electricity | 7 | Expired |
| US9887637B1 | High speed programmable threshold gallium nitride power limiter | Emerging Cross-Sectional Technologies | 7 | Active |
| US6820052B2 | Low bit-rate coding of unvoiced segments of speech | Physics | 6 | Expired |
| US8014510B2 | Arrangement for controlling congestion in an SS7 signaling node based on packet classification | Electricity | 5 | Active |
| US9548731B2 | High performance radio frequency switch | Electricity | 4 | Active |
| US7058724B1 | Arrangement for routing a received signaling message based on a selected summary route in an SS7 network | Electricity | 3 | Expired |
| US7991199B2 | Object identification and verification using transform vector quantization | Physics | 3 | Active |
| US8185391B2 | Speaker recognition via voice sample based on multiple nearest neighbor classifiers | Physics | 1 | Active |
| US8024479B2 | System and method for distributing information in a network environment | Electricity | 1 | Active |
| US10030002B2 | Coumarin derivative for detection of cysteine and process for the synthesis thereof | Physics | 0 | Active |
| US8238651B2 | Image-guided abstraction of building facades | Electricity | 0 | Active |
| US11319331B2 | Probe for selective detection of hypochlorous acid (HOCl) under physiological condition, and related methods | Physics | 0 | Active |
| US10730891B2 | Compound for selective determination of free cysteine and a process for the preparation thereof | Physics | 0 | Active |
| US9505794B2 | Ruthenium (II) complexes, preparation and uses thereof | Chemistry; Metallurgy | 0 | Active |
| US7146310B2 | Low bit-rate coding of unvoiced segments of speech | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.