Inventor · San Jose, CA, US

Charles Johnson

18Patents
7h-index
39Co-inventors
66Inventor score

Filing activity: Jan 24, 1995 → Jan 3, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6247059A Transaction state broadcast method using a two-stage multicast in a multiple processor cluster Electricity 78 Expired
US6338146B1 Method and apparatus for fault-tolerant, scalable and non-blocking three-phase flushing for committing database transactions in a cluster of multiprocessors Physics 32 Expired
US6092213A Fault tolerant method of maintaining and distributing configuration information in a distributed processing system Physics 30 Expired
US6785696B2 System and method for replication of distributed databases that span multiple primary nodes Emerging Cross-Sectional Technologies 30 Expired
US7168001B2 Transaction processing apparatus and method Physics 21 Expired
US7100076B2 Minimum latency reinstatement of database transaction locks Emerging Cross-Sectional Technologies 10 Expired
US6360338B1 Enhanced instrumentation software in fault tolerant systems Physics 7 Expired
US10242027B2 Three phase commit for a distributed file system Physics 5 Active
US6990608B2 Method for handling node failures and reloads in a fault tolerant clustered database supporting transaction registration and fault-in logic Emerging Cross-Sectional Technologies 3 Expired
US7028219B2 Hybrid method for flushing transaction state in a fault-tolerant clustered database Emerging Cross-Sectional Technologies 2 Expired
US10212226B2 Node cluster synchronization Physics 1 Active
US10613949B2 Failure indication in shared memory Physics 0 Active
US10922137B2 Dynamic thread mapping Physics 0 Active
US10540227B2 Sequential memory access on a high performance computing system Physics 0 Active
US10810070B2 Simulator based detection of a violation of a coherency protocol in an incoherent shared memory system Physics 0 Active
US10565037B2 Data update of shared fabric memory in a high performance computing system Physics 0 Active
US10482013B2 Eliding memory page writes upon eviction after page modification Physics 0 Active
US10133617B2 Failure notifications in multi-node clusters Physics 0 Active

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