Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5764627 | Method and apparatus for a hands-free speaker phone | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Ping Li, Sidhartha Maitra +1 more | 1998-06-09 |
| 5673257 | Computer-based multifunction personal communication system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Ping Li, Sidhartha Maitra +1 more | 1997-09-30 |
| 5673268 | Modem resistant to cellular dropouts | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Ping Li, Sidhartha Maitra +1 more | 1997-09-30 |
| 5600649 | Digital simultaneous voice and data modem | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Ping Li, Sidhartha Maitra +1 more | 1997-02-04 |
| 5592586 | Voice compression system and method | Sidhartha Maitra, Ashish Thanawala | 1997-01-07 |
| 5577041 | Method of controlling a personal communication system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Ping Li, Sidhartha Maitra +1 more | 1996-11-19 |
| 5559793 | Echo cancellation system and method | Sidhartha Maitra, Ashish Thanawala | 1996-09-24 |
| 5471470 | Computer-based multifunction personal communications system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Ping Li, Sidhartha Maitra +1 more | 1995-11-28 |
| 5452289 | Computer-based multifunction personal communications system | Raghu Sharma, Jeffrey P. Davis, Timothy D. Gunn, Ping Li, Sidhartha Maitra +1 more | 1995-09-19 |
| 4870357 | LCD error detection system | Nigel Stewart Foster | 1989-09-26 |