Ben Chen Liu

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Taipei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method for dialing from internet extension to conventional extension
- Patent number 9,118,746
- Issue date Aug 25, 2015
- National Taipei University of Technology
- Shaw Hwa Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
NAT traversal method in session initial protocol
- Patent number 8,676,933
- Issue date Mar 18, 2014
- National Taipei University of Technology
- Shaw Hwa Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for dialing from internet extension to conventional extension
- Patent number 8,488,595
- Issue date Jul 16, 2013
- National Taipei University of Technology
- Shaw Hwa Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for dialing between internet extensions
- Patent number 8,279,855
- Issue date Oct 2, 2012
- National Taipei University of Technology
- Shaw Hwa Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR DIALING FROM INTERNET EXTENSION TO CONVENTIONAL EXTENSION
- Publication number 20130279498
- Publication date Oct 24, 2013
- Shaw Hwa HWANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for dialing from internet extension to conventional extension
- Publication number 20110002326
- Publication date Jan 6, 2011
- NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
- Shaw Hwa Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for dialing between internet extensions
- Publication number 20100329240
- Publication date Dec 30, 2010
- NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
- Shaw Hwa Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NAT traversal method in Session Initial Protocol
- Publication number 20100182995
- Publication date Jul 22, 2010
- NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
- Shaw Hwa Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE