Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304844 | Spelling speech recognition apparatus and method for communications | James Pan, Josephine B. Chang, Juinn-Yan Chen | 2001-10-16 |
| 5963619 | External incoming call switching method in automatic answering telephone subscribed in incoming call switching service | — | 1999-10-05 |