John Feng

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Union City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Single channel four-port group delay compensation equalizer
- Patent number 7,457,544
- Issue date Nov 25, 2008
- Avanex Corporation
- John Feng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfigurable thin film based DWDM devices for reconfigurable add-...
- Patent number 7,454,143
- Issue date Nov 18, 2008
- Avanex Corporation
- Xuehua Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for assembly of multi-ports optical apparatus
- Patent number 7,340,130
- Issue date Mar 4, 2008
- Avanex Corporation
- Xuehua Wu
- G02 - OPTICS
Information Patent Grant
Structure and method for multi-ports optical apparatus
- Patent number 7,171,073
- Issue date Jan 30, 2007
- Avanex Corporation
- Xuehua Wu
- G02 - OPTICS