Issued Patents 2004
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836478 | Call hold with reminder and information push | Laura Huang, Fen-Chung Kung, Hopeton S. Walker, Spencer Wang | 2004-12-28 |
| 6826173 | Enhanced subscriber IP alerting | Fen-Chung Kung, Anish Sankalia, Hopeton S. Walker, Spencer Wang | 2004-11-30 |
| 6775273 | Simplified IP service control | Fen-Chung Kung, Hopeton S. Walker, Spencer Wang | 2004-08-10 |
| 6754490 | International roaming service for permitting a cellular/wireless telephone instrument to access different wireless telephone network/systems | Jeremiah A. Okoro | 2004-06-22 |
| 6725303 | Method and apparatus for establishing a personalized connection with a network | Kenneth J. Hoguta, Amy J. Rupert, Ronald Sherman | 2004-04-20 |
| 6690675 | User programmable fail-proof IP hotline/warm-line | Fen-Chung Kung, Anish Sankalia, Spencer Wang | 2004-02-10 |
| 6687360 | Personal IP follow-me service | Fen-Chung Kung, Anish Sankalia, Hopeton S. Walker, Spencer Wang | 2004-02-03 |
| 6680935 | Anonymous call rejection | Fen-Chung Kung, Spencer Wang, Hopeton S. Walker | 2004-01-20 |
| 6678265 | Local number portability database for on-net IP call | Fen-Chung Kung, Anish Sankalia, Hopeton S. Walker, Spencer Wang | 2004-01-13 |