William Chunhung Yip
Inventor
Stats
- 13 total patents issued
- 13 total patents filed
- most recent filing
This is official USPTO record data
Details
- 13 Issued Patents
- 13 Filed Patents
- 328 Total Citation Count
- May 31, 2001 Most Recent Filing
- Feb 20, 1996 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| MOTOROLA MOBILITY LLC | 2 1 | 1997 1999 |
| VOICE SIGNALS LLC | 1 | 1996 |
| CDC PROPRIETE INTELLECTUELLE | 1 | 1999 |
| FREESCALE SEMICONDUCTOR, INC. | 1 | 2001 |
| LEWIS SALES LLC | 1 | 1996 |
| MOTOROLA, INC. | 2 | 1996 |
| GENERAL DYNAMICS C4 SYSTEMS, INC. | 3 1 | 1996 1999 |
Inventor Addresses
| Address | Duration |
|---|---|
| Phoenix, AZ | Sep 22, 98 - Aug 09, 05 |
| Scottsdale, AZ | Feb 24, 98 - Aug 15, 00 |
Technology Profile
| Technology | # of Patents | |
|---|---|---|
| G10L: | SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION | 2 |
| H03H: | IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS | 1 |
| H04B: | TRANSMISSION | 3 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 6,928,409 | 2005 | Speech recognition using polynomial expansion and hidden markov models | 0 |
| 6,707,912 | 2004 | Method and apparatus for setting a step size for an adaptive filter coefficient of an echo canceller | 4 |
| 6,658,112 | 2003 | Voice decoder and method for detecting channel errors using spectral energy evolution | 4 |
| 6,415,029 | 2002 | Echo canceler and double-talk detector for use in a communications unit | 11 |
| 6,104,726 | 2000 | Simultaneous transfer of voice and data information using multi-rate vocoder and bit control protocol | 19 |
