Inventor
John Feng
Inventor
Union City, CA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus67%
H04JMultiplex communication33%
PatentTitleYear
7,457,544'Single channel four-port group delay compensation equalizer'20087,454,143'Reconfigurable thin film based DWDM devices for reconfigurable add-drop optical systems'20087,340,130'Method for assembly of multi-ports optical apparatus'20087,171,073'Structure and method for multi-ports optical apparatus'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2008Patents assigned to AVANEX CORP (4)· patent assignee history
2007–2008Based in Union City, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AVANEX CORP | 4 | 2007–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Union City, California, US | 4 | 2007–2008 |