Leo Y. Liu

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Cary, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and a system for certificate revocation list consolidation a...
- Patent number 7,761,467
- Issue date Jul 20, 2010
- International Business Machines Corporation
- Jing Min Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of balancing load among mirror servers
- Patent number 7,568,032
- Issue date Jul 28, 2009
- International Business Machines Corporation
- Nan Feng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pluggable service delivery platform
- Patent number 7,356,615
- Issue date Apr 8, 2008
- International Business Machines Corporation
- Hong Cai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing responses for requests of off-li...
- Patent number 6,757,706
- Issue date Jun 29, 2004
- International Business Machines Corporation
- Liu Dong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for storing and retrieving data by keywords conve...
- Patent number 6,742,018
- Issue date May 25, 2004
- International Business Machines Corporation
- Song Song
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method and a system for certificate revocation list consolidation a...
- Publication number 20020004773
- Publication date Jan 10, 2002
- Jing Min Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Apparatus and method of providing instant information service for v...
- Publication number 20010056497
- Publication date Dec 27, 2001
- International Business Machines Corporation
- Hong Cai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of balancing load among mirror servers
- Publication number 20010025313
- Publication date Sep 27, 2001
- Nan Feng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Pluggable service delivery platform
- Publication number 20010016880
- Publication date Aug 23, 2001
- International Business Machines Corporation
- Hong Cai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE