Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8146418 | Apparatus and method for soil testing for jack-up rigs | Kok Seng Foo, Chin Kau Quah, Okky Ahmad Purwana, Lodewijk Keizer, Mark Jason Cassidy | 2012-04-03 |
| 7299173 | Method and apparatus for speech detection using time-frequency variance | Changxue Ma | 2007-11-20 |
| 7003464 | Dialog recognition and control in a voice browser | James C. Ferrans, Jonathan R. Engelsma, Michael D. Pearce, Jerome Vogedes | 2006-02-21 |
| 6999918 | Method and apparatus to facilitate correlating symbols to sounds | Changxue Ma | 2006-02-14 |