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For the Inventor, By the Inventor

San Jose, CA, United States of America

Charles Stuart Johnson

This inventor holds 19 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in High Performance Computing. Top assignees: Hewlett Packard Enterprise Development LP, Hewlett-Packard Development Company, L.p., Compaq Computer Corporation, Inc.. Active years: 1983-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles Stuart Johnson. Retrieved from https://idiyas.com/inventor/charles-stuart-johnson

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 78.9

 

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 205(Granted Patents)


Location History:

  • Arlington, VA (US) (1983)
  • San Jose, CA (US) (2000 - 2020)
  • Palo Alto, CA (US) (2019 - 2021)

Company Filing History:

goldMedal8 out of 5,697 
 
Hewlett Packard Enterprise Development LP
 patents
silverMedal6 out of 27,691 
 
Hewlett-Packard Development Company, L.p.
 patents
bronzeMedal2 out of 2,019 
 
Compaq Computer Corporation, Inc.
 patents
4. 1 out of 1 
 
Compaq Computer Company
 patent
5. 1 out of 322 
 
Tandem Computers Incorporated
 patents
6. 1 out of 834,601 
Other
 patents

Years Active: 1983-2021

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Areas of Expertise:
Dynamic Thread Mapping
Coherency Protocol
Shared Memory
Cluster Synchronization
Transaction Processing
Fault-Tolerant Systems
Database Transactions
Distributed Databases
Memory Access
Failure Notifications
Hybrid Flushing Method
Instrumentation Software
19 patents (USPTO):Explore Patents
1. 10922137 - Dynamic thread mapping (2021-02-16),
2. 10810070 - Simulator based detection of a violation of a coherency protocol in an incoherent shared memory system (2020-10-20),
3. 10613949 - Failure indication in shared memory (2020-04-07),
4. 10565037 - Data update of shared fabric memory in a high performance computing system (2020-02-18),
5. 10540227 - Sequential memory access on a high performance computing system (2020-01-21),
6. 10482013 - Eliding memory page writes upon eviction after page modification (2019-11-19),
7. 10242027 - Three phase commit for a distributed file system (2019-03-26),
8. 10212226 - Node cluster synchronization (2019-02-19),
9. 10133617 - Failure notifications in multi-node clusters (2018-11-20),
10. 7168001 - Transaction processing apparatus and method (2007-01-23),
11. 7100076 - Minimum latency reinstatement of database transaction locks (2006-08-29),
12. 7028219 - Hybrid method for flushing transaction state in a fault-tolerant clustered database (2006-04-11),
13. 6990608 - Method for handling node failures and reloads in a fault tolerant clustered database supporting transaction registration and fault-in logic (2006-01-24),
14. 6785696 - System and method for replication of distributed databases that span multiple primary nodes (2004-08-31),
15. 6360338 - Enhanced instrumentation software in fault tolerant systems (2002-03-19),

Title: Innovations by Charles Stuart Johnson in San Jose, CA

Introduction

Charles Stuart Johnson, based in San Jose, CA, is a notable inventor with an impressive portfolio of 19 patents. His work primarily focuses on advancements in computing systems, particularly around optimizing performance and coherency in shared memory environments.

Latest Patents

Johnson’s latest inventions include concepts such as dynamic thread mapping, where a central processing unit (CPU) with multiple cores manages threads in a way that optimizes memory access. In this innovation, registers track memory requests for different interfaces, ensuring that threads are allocated efficiently to maximize performance. Another significant patent of his is the simulator-based detection of coherency protocol violations in incoherent shared memory systems. This innovation involves a simulator that monitors and alerts users about violations in the shared memory system, facilitating better performance in applications that require testing against such protocols.

Career Highlights

Throughout his career, Johnson has contributed his expertise to prominent companies such as Hewlett Packard Enterprise Development LP and Hewlett-Packard Development Company, L.P. His work has greatly impacted the field of computer architecture and memory systems.

Collaborations

Johnson has collaborated with talented individuals during his career, including peers like Harumi Kuno and David Hege. Their joint efforts have contributed to the development of advanced technologies within their respective fields.

Conclusion

Charles Stuart Johnson’s contributions to technology through his numerous patents demonstrate his innovative spirit and commitment to advancing computing capabilities. His work continues to influence current and future developments in computer architecture and memory management systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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