Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10171197 | Method and apparatus for routing traffic using asymmetrical optical connections | Balagangadhar Bathula, Angela Chiu, Mark David Feuer, Rakesh Sinha, Sheryl Leigh Woodward +1 more | 2019-01-01 |
| 10148349 | Joint IP/optical layer restoration after a router failure | Angela Chiu | 2018-12-04 |
| 9735912 | Method and apparatus for routing traffic using asymmetrical optical connections | Balagangadhar Bathula, Angela Chiu, Mark David Feuer, Rakesh Sinha, Sheryl Leigh Woodward +1 more | 2017-08-15 |
| 9705590 | Joint IP/optical layer restoration after a router failure | Angela Chiu | 2017-07-11 |
| 9628502 | Active attack detection system | David Clark, Jonathan Thyer | 2017-04-18 |
| 9413640 | Method and apparatus for routing traffic using asymmetrical optical connections | Balagangadhar Bathula, Angela Chiu, Mark David Feuer, Rakesh Sinha, Sheryl Leigh Woodward +1 more | 2016-08-09 |
| 9246623 | Method and apparatus for routing traffic using asymmetrical optical connections | Balagangadhar Bathula, Angela Chiu, Mark David Feuer, Rakesh Sinha, Sheryl Leigh Woodward +1 more | 2016-01-26 |
| 9042720 | Joint IP/optical layer restoration after a router failure | Angela Chiu | 2015-05-26 |
| 8687956 | Standby restoration signaling for optical networks | Guangzhi Li, Angela Chiu, Robert Duncan Doverspike | 2014-04-01 |
| 8260133 | Standby restoration signaling for optical networks | Guangzhi Li, Angela Chiu, Robert Duncan Doverspike | 2012-09-04 |
| 8150257 | Shared mesh restoration with pre-configured standby lightpaths | Gagan Choudhury, Angela Chiu, Robert Duncan Doverspike, Guangzhi Li | 2012-04-03 |
| 8068412 | Link selection schemes for avoiding channel contention | Bruce Gilbert Cortez, Robert Duncan Doverspike, Rakesh Sinha, Fang Yu | 2011-11-29 |
| 7805075 | Methods of restoration in an ultra-long haul optical network | Angela Chiu, Robert William Tkach | 2010-09-28 |
| 7551816 | Arrangement for low cost path protection for optical communications networks | Martin Birk, Angela Chiu | 2009-06-23 |
| 7526198 | Methods of restoration in an ultra-long haul optical network | Angela Chiu, Robert William Tkach | 2009-04-28 |
| 7450516 | Link selection schemes for avoiding channel contention | Bruce Gilbert Cortez, Robert Duncan Doverspike, Rakesh Sinha, Fang Yu | 2008-11-11 |
| 7389018 | Arrangement for low cost path protection for optical communications networks | Martin Birk, Angela Chiu | 2008-06-17 |
| 7228027 | Arrangement for low cost path protection for optical communications networks | Martin Birk, Angela Chiu | 2007-06-05 |
| 7171070 | Arrangement for low cost path protection for optical communications networks | Martin Birk, Angela Chiu | 2007-01-30 |
| 7088676 | Methods and systems for fast restoration in a mesh network of optical cross connects | Robert Duncan Doverspike, Gokhan Sahin, Robert William Tkach | 2006-08-08 |
| 6970417 | Methods and systems for fast restoration in a mesh network of optical cross connects | Robert Duncan Doverspike, Gokhan Sahin, Robert William Tkach | 2005-11-29 |
| 6278689 | Optical cross-connect restoration technique | Thomas S. Afferton | 2001-08-21 |