Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8396927 | Detection of unwanted messages (spam) | Yigang Cai, Alok Sharma | 2013-03-12 |
| 7239866 | Spam checking for internetwork messages | Yigang Cai, Gyan Shanker, Alok Sharma | 2007-07-03 |