James Lum

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Redwood City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Message processing system
- Patent number 5,287,444
- Issue date Feb 15, 1994
- International Business Machines Corporation
- Michael A. Enescu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Linkage mechanism for program isolation
- Patent number 5,220,669
- Issue date Jun 15, 1993
- International Business Machines Corporation
- Richard I. Baum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Authorization for selective program access to data in multiple addr...
- Patent number 5,023,773
- Issue date Jun 11, 1991
- International Business Machines Corporation
- Richard I. Baum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiple address space token designation, protection controls, desi...
- Patent number 4,979,098
- Issue date Dec 18, 1990
- International Business Machines Corporation
- Richard I. Baum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tamper-resistant method for authorizing access to data between a ho...
- Patent number 4,941,175
- Issue date Jul 10, 1990
- International Business Machines Corporation
- Michael A. Enescu
- G06 - COMPUTING CALCULATING COUNTING