Inventor · San Jose, CA, US

Stephen Morgan

25Patents
15h-index
39Co-inventors
81Inventor score

Filing activity: Jan 18, 1989 → Sep 3, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5113519A Maintenance of file attributes in a distributed data processing system Emerging Cross-Sectional Technologies 218 Expired
US5129088A Data processing method to create virtual disks from non-contiguous groups of logically contiguous addressable blocks of direct access storage device Physics 210 Expired
US5222217A System and method for implementing operating system message queues with recoverable shared virtual storage Emerging Cross-Sectional Technologies 146 Expired
US5226159A File lock management in a distributed data processing system Emerging Cross-Sectional Technologies 95 Expired
US6185685A Security method and system for persistent storage and communications on computer network systems and computer network systems employing the same Emerging Cross-Sectional Technologies 90 Expired
US6816970B2 Security method and system for persistent storage and communications on computer network systems and computer network systems employing the same Emerging Cross-Sectional Technologies 86 Expired
US5305440A File extension by clients in a distributed data processing system Physics 65 Expired
US5175851A System and method for controlling client machine access to a portion of a file with a variable length Emerging Cross-Sectional Technologies 64 Expired
US5253342A Intermachine communication services Physics 56 Expired
US5239643A Method for reducing disk I/O accesses in a multi-processor clustered type data processing system Emerging Cross-Sectional Technologies 53 Expired
US5537645A File lock management in a distributed data processing system Emerging Cross-Sectional Technologies 49 Expired
US5197148A Method for maintaining data availability after component failure included denying access to others while completing by one of the microprocessor systems an atomic transaction changing a portion of the multiple copies of data Physics 42 Expired
US6513093B1 High reliability, high performance disk array storage system Physics 38 Expired
US6088799A Security method and system for persistent storage and communications on computer network systems and computer network systems employing the same Physics 30 Expired
US8484230B2 Dynamic parsing rules Physics 21 Active
US6549969B1 Interlock for preventing human error in hot pluggable systems Fixed Constructions 10 Expired
US9324367B1 SMR-aware append-only file system Physics 6 Active
US9923969B2 Large-scale storage and retrieval of data with well-bounded life Electricity 3 Active
US8914330B2 Bulk deletion through segmented files Physics 2 Active
US7191261B2 System and method to use unmodified operating system on diskless computer Physics 2 Expired
US7096362B2 Internet authentication with multiple independent certificate authorities Electricity 1 Expired
US10394786B2 Serialization scheme for storing data and lightweight indices on devices with append-only bands Physics 0 Active
US11382524B2 Airway maintenance device Human Necessities 0 Active
US12336844B2 Monitoring physiological parameters Textiles; Paper 0 Active
US9942324B2 Rebalancing and elastic storage scheme with elastic named distributed circular buffers Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.