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For the Inventor, By the Inventor

Alton, United Kingdom

John Joseph Campbell

This inventor holds 13 USPTO granted patents and 2 published patent applications, primarily in Database Management. Top assignees: International Business Machines Corporation, Other. Active years: 2000-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Joseph Campbell. Retrieved from https://idiyas.com/inventor/john-joseph-campbell

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

Calculating rank
USPTO Granted Patents = 13 

% Patents Active = 46.2

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 131(Granted Patents)


Location History:

  • Ayrshire, Scotland, GB (2000)
  • South Woodham Ferrer, Essex, GB (2008)
  • Privett, GB (2016 - 2020)
  • Alton, GB (2006 - 2021)

Company Filing History:

goldMedal11 out of 166,524 
 
International Business Machines Corporation
 patents
silverMedal2 out of 834,708 
Other
 patents

Years Active: 2000-2025

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Areas of Expertise:
Schema Evolution
Index Maintenance
Transactional Data
Relational Databases
Free Space Management
Query Execution Plans
Data Transfer
High Use Databases
Database Systems
Particulate Material Collection
Storage Allocation
Deflectable Mandrel
13 patents (USPTO):Explore Patents
1. 12189585 - Schema evolution on a live database system without an outage (2025-01-07),
2. 10929370 - Index maintenance management of a relational database management system (2021-02-23),
3. 10585870 - Free space management in a database (2020-03-10),
4. 9917885 - Managing transactional data for high use databases (2018-03-13),
5. 9892145 - Free space management in a database (2018-02-13),
6. 9774662 - Managing transactional data for high use databases (2017-09-26),
7. 9519649 - Free space management in a database (2016-12-13),
8. 7725448 - Method and system for disjunctive single index access (2010-05-25),
9. 7644063 - Apparatus, system, and method for ensuring query execution plan stability in a database management system (2010-01-05),
10. 7416110 - Apparatus for collecting particulate material (2008-08-26),
11. 7225209 - Computer-implemented method for allocating new additional area for the dataset in storage based on the size of the new additional area wherein if the new area number does not exceed clipping threshold, the size of a new additional area being greater than the size of each previously allocated additional area of the dataset (2007-05-29),
12. 7120746 - Technique for data transfer (2006-10-10),
13. 6086311 - Handtruck with deflectable mandrel for locking inside the core of a reel (2000-07-11),

Title: Innovations of John Joseph Campbell

Introduction

John Joseph Campbell is a notable inventor based in Alton, GB, recognized for his contributions to database management systems. With a total of 13 patents to his name, Campbell has made significant advancements in the field of technology, particularly in schema evolution and index maintenance management.

Latest Patents

One of Campbell's latest patents is focused on "Schema evolution on a live database system without an outage." This invention includes techniques for implementing schema changes on a live database system without causing any downtime. The method involves initiating a schema change that includes an attribute for a database object. It identifies a first application package that is dependent on the database object and routes existing and new threads to execute the application package with a release option, allowing the schema change to be completed seamlessly.

Another significant patent is related to "Index maintenance management of a relational database management system." This invention addresses the management of a set of indexes within a relational database. It detects a non-critical index subset and determines the appropriate index maintenance impact action to be performed, ensuring efficient management of database resources.

Career Highlights

Throughout his career, John Joseph Campbell has worked with prominent companies, including International Business Machines Corporation (IBM). His experience in such a reputable organization has contributed to his expertise in database technologies and innovations.

Collaborations

Some of Campbell's notable coworkers include Charles Roy Bonner and Frances Hwa Villafuerte. Their collaboration has likely fostered an environment of innovation and creativity in their respective projects.

Conclusion

John Joseph Campbell's contributions to database management through his patents demonstrate his expertise and commitment to innovation in technology. His work continues to influence the field and inspire future advancements.

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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