Yunzhou Li
Inventor
Stats
- 22 total patents issued
- 23 total patents filed
- most recent filing
This is official USPTO record data
Details
- 22 Issued Patents
- 23 Filed Patents
- 327 Total Citation Count
- Jul 25, 2006 Most Recent Filing
- Feb 8, 1999 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| AVAYA HOLDINGS LIMITED | 4 1 | 1999 2000 |
| ROCKSTAR BIDCO, LP | 6 4 | 1999 2000 |
| AVAYA INC. | 1 1 2 | 1999 2000 2006 |
| CIENA CORPORATION | 1 1 | 1999 2000 |
| NORTEL NETWORKS CORPORATION | 1 | 1999 |
| NORTEL NETWORKS LIMITED | 2 | 1999 |
Inventor Addresses
| Address | Duration |
|---|---|
| 351 Pawtucket Blvd. Unit 7, Lowell, MA 01854 | Jul 15, 03 - Jul 15, 03 |
| 351 Pawtucket Blvd., Unit 7, Lowell, MA 01854 | Apr 06, 04 - Apr 06, 04 |
| Lowell, MA | Feb 25, 03 - Oct 28, 08 |
| Lowell, MA, US | Feb 01, 11 - Feb 01, 11 |
Technology Profile
| Technology | # of Patents | |
|---|---|---|
| G01R: | MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES | 1 |
| G06F: | ELECTRIC DIGITAL DATA PROCESSING | 7 |
| H04L: | TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION | 16 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 7,881,477 | 2011 | Method for key distribution in a hierarchical multicast traffic security system for an internetwork | 0 |
| 7,444,422 | 2008 | Multicast when forwarding information is unknown | 4 |
| 7,269,728 | 2007 | Apparatus and method for distributing management keys in a multicast domain | 5 |
| 7,233,567 | 2007 | Apparatus and method for supporting multiple traffic redundancy mechanisms | 11 |
| 2007/0110,248 | 2007 | Method for key distribution in a hierarchical multicast traffic security system for an internetwork | 6 |

