Rouben Toumani
15Patents
7h-index
17Co-inventors
63Inventor score
Filing activity: Dec 5, 1975 → Oct 30, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4395675A | Transformerless noninverting buck boost switching regulator | Electricity | 108 | Expired |
| US4612417A | Electronic battery feed circuit for telephone systems | Electricity | 19 | Expired |
| US4447675A | Ring-trip detector | Electricity | 16 | Expired |
| US6987851B1 | Method and apparatus for a high efficiency line driver | Electricity | 14 | Expired |
| US5920609A | Metallic access test extension system architecture | Electricity | 11 | Expired |
| US4015091A | Telephone ringing generators | Electricity | 9 | Expired |
| US5764727A | Metallic access test extender | Electricity | 8 | Expired |
| US5790062A | Delta modulator with pseudo constant modulation level | Electricity | 7 | Expired |
| US7443977B1 | Method and apparatus for a high efficiency line driver | Electricity | 5 | Active |
| US7092412B1 | Method and apparatus for long haul high speed data transmission over XDSL pseudo channels | Electricity | 5 | Expired |
| US7881362B2 | Method and apparatus for differentiated communication channel robustness in a multi-tone transceiver | Electricity | 4 | Active |
| US4028628A | Transceivers for single channel carrier telephone systems | Electricity | 4 | Expired |
| US4631362A | Low resistance origination scan circuit | Electricity | 3 | Expired |
| US7359444B1 | Method and apparatus for extending the frequency range of multi-tone modems | Electricity | 3 | Active |
| US7443918B1 | Method and apparatus for extending the frequency range of multi-tone modems | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.