Walter Y. Chen
21Patents
16h-index
18Co-inventors
78Inventor score
Filing activity: Nov 17, 1989 → Feb 13, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6055268A | Multimode digital modem | Emerging Cross-Sectional Technologies | 240 | Expired |
| US6021158A | Hybrid wireless wire-line network integration and management | Electricity | 217 | Expired |
| US5987061A | Modem initialization process for line code and rate selection in DSL data communication | Electricity | 194 | Expired |
| US6038251A | Direct equalization method | Emerging Cross-Sectional Technologies | 103 | Expired |
| US5970088A | Reverse channel next cancellation for MDSL modem pool | Electricity | 99 | Expired |
| US5999563A | Rate negotiation for variable-rate digital subscriber line signaling | Electricity | 93 | Expired |
| US6438109B1 | Method to establish a home network on multiple physical layers | Electricity | 75 | Expired |
| US4977591A | Dual mode LMS nonlinear data echo canceller | Electricity | 64 | Expired |
| US5111481A | Dual mode LMS channel equalizer | Electricity | 38 | Expired |
| US5148488A | Method and filter for enhancing a noisy speech signal | Physics | 30 | Expired |
| US6259708A | System and method of transmitting voice over digital subscriber line | Electricity | 29 | Expired |
| US5667136A | Object collector | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5809069A | Frequency-domain carrierless AM-PM demodulator | Electricity | 21 | Expired |
| US5915205A | Ingress noise cancellation for upstream signals on a cable television system using an antenna to determine local noise | Electricity | 19 | Expired |
| US5267266A | Fast converging adaptive equalizer using pilot adaptive filters | Electricity | 18 | Expired |
| US6269154A | Splitterless modem with integrated off-hook detector | Electricity | 18 | Expired |
| US6246694A | Method for selecting baud rates for a rate adaptive digital subscriber line modem | Electricity | 11 | Expired |
| US8217820B2 | Using multi-level pulse width modulated signal for real time noise cancellation | Physics | 1 | Active |
| US10079641B1 | Systems and methods of transporting data over an optical transport network | Electricity | 1 | Active |
| US8776830B2 | Material transport apparatus and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US10443593B2 | Fresh water transport method utilizing anchored buoyant units powered by the changing height of a local tide | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.