Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092406 | Computer implemented communication apparatus and method | Raghu Sharma, Jeffrey P. Davis, Sidhartha Maitra | 2006-08-15 |
| 7082106 | Computer-based multi-media communications system and method | Raghu Sharma, Jeffrey P. Davis, Sidhartha Maitra | 2006-07-25 |
| 7082141 | Computer implemented voice over data communication apparatus and method | Sidhartha Maitra, Jeffrey P. Davis, Raghu Sharma | 2006-07-25 |
| 5905794 | Caller identification interface using line reversal detection | Ting Sun | 1999-05-18 |
| 5864560 | Method and apparatus for mode switching in a voice over data computer-based personal communications system | Ping Li, Raghu Sharma, Jeffrey P. Davis | 1999-01-26 |
| 5815567 | Communications interface providing isolation and ringdown features | Jeffrey P. Davis, Duane Francis Wald | 1998-09-29 |
| 5790532 | Voice over video communication system | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala +1 more | 1998-08-04 |
| 5764627 | Method and apparatus for a hands-free speaker phone | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala +1 more | 1998-06-09 |
| 5673257 | Computer-based multifunction personal communication system | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala +1 more | 1997-09-30 |
| 5673268 | Modem resistant to cellular dropouts | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala +1 more | 1997-09-30 |
| 5617423 | Voice over data modem with selectable voice compression | Ping Li, Jeffrey P. Davis | 1997-04-01 |
| 5600649 | Digital simultaneous voice and data modem | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala +1 more | 1997-02-04 |
| 5577041 | Method of controlling a personal communication system | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala +1 more | 1996-11-19 |
| 5574725 | Communication method between a personal computer and communication module | Raghu Sharma, Jeffrey P. Davis, Ping Li | 1996-11-12 |
| 5546395 | Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala | 1996-08-13 |
| 5500859 | Voice and data transmission system | Raghu Sharma, Jeffrey P. Davis, Ping Li | 1996-03-19 |
| 5471470 | Computer-based multifunction personal communications system | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala +1 more | 1995-11-28 |
| 5452289 | Computer-based multifunction personal communications system | Raghu Sharma, Jeffrey P. Davis, Ping Li, Sidhartha Maitra, Ashish Thanawala +1 more | 1995-09-19 |
| 5450425 | Protocol for communication of a data packet | David A. Weinzierl, Dale W. Martenson | 1995-09-12 |
| H1413 | Escape methods for modem communications | — | 1995-02-07 |