Richard H. Chen

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Passive optical network with wavelength division multiplexing
- Patent number 8,005,363
- Issue date Aug 23, 2011
- Hitachi Communication Technologies, Inc.
- Yanming Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Full duplex optical modem for broadband access network
- Patent number 5,694,232
- Issue date Dec 2, 1997
- Ericsson Raynet
- Behrooz Parsay
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PASSIVE OPTICAL NETWORK WITH WAVELENGTH DIVISION MULTIPLEXING
- Publication number 20090154924
- Publication date Jun 18, 2009
- Yanming Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Ethernet passive optical network with framing structure for native...
- Publication number 20030137975
- Publication date Jul 24, 2003
- Jian Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE