Hiroshi Takatori
74Patents
13h-index
56Co-inventors
87Inventor score
Filing activity: Mar 15, 1982 → Dec 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4769612A | Integrated switched-capacitor filter with improved frequency characteristics | Electricity | 114 | Expired |
| US4459698A | Variable equalizer | Electricity | 66 | Expired |
| US5581585A | Phase-locked loop timing recovery circuit | Electricity | 56 | Expired |
| US6167082A | Adaptive equalizers and methods for carrying out equalization with a precoded transmitter | Electricity | 52 | Expired |
| US5148427A | Non-linear echo canceller | Electricity | 49 | Expired |
| US5153875A | Adaptive balancing network | Electricity | 37 | Expired |
| US6229855A | Adaptive transmitter for digital transmission | Electricity | 34 | Expired |
| US5181228A | System and method for phase equalization | Electricity | 21 | Expired |
| US7188135B2 | Analog adaptive FIR filter having independent coefficient sets for each filter tap | Electricity | 19 | Expired |
| US4841521A | Method and system for bidirectionally transmitting data | Electricity | 18 | Expired |
| US4868874A | Echo canceller | Electricity | 17 | Expired |
| US4835482A | Semiconductor integrated circuit forming a switched capacitor filter | Electricity | 16 | Expired |
| US6707868B1 | Apparatus for recovering timing of a digital signal for a transceiver | Electricity | 14 | Expired |
| US6249557A | Apparatus and method for performing timing recovery | Electricity | 13 | Expired |
| USD778332S1 | Lens for light emitting diode | General | 12 | Active |
| US7483479B2 | Scaled signal processing elements for reduced filter tap noise | Electricity | 12 | Active |
| US4687998A | Pulse width generating circuit synchronized with clock signal and corresponding to a reference voltage | Electricity | 10 | Expired |
| US5534863A | Low resolution, high linearity digital-to-analog converter without trim | Electricity | 10 | Expired |
| US6640194B2 | Timing jitter frequency detector for timing recovery systems | Electricity | 10 | Expired |
| US4500999A | Line equalizer | Electricity | 9 | Expired |
| US7085337B2 | Adaptive per-pair skew compensation method for extended reach differential transmission | Electricity | 8 | Expired |
| US7570685B2 | System, method and apparatus for crosstalk cancellation | Electricity | 7 | Active |
| US7006564B2 | Adaptive equalizer | Electricity | 7 | Expired |
| US4658217A | Timing signal extracting circuit | Electricity | 6 | Expired |
| US6665337B1 | Activation method in data transceivers | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.