Rancho Palos Verdes, CA, United States of America

Grace Kwan-On Au

This inventor holds 20 USPTO granted patents and 1 published patent application. Top assignees: Teradata US, Inc., Ncr Corporation. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Grace Kwan-On Au. Retrieved from https://idiyas.com/inventor/grace-kwan-on-au

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

USPTO Granted Patents = 20 (Patent Applications = 1)

% Patents Active = 95.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 74(Granted Patents)

Company Filing History:

Years Active: 2003-2026

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20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12717784 - Query expression repository (2026-08-25),

2. 12105708 - Cost-based semi-join rewrite (2024-10-01),

3. 11693883 - Techniques for ordering predicates in column partitioned databases for query optimization (2023-07-04),

4. 11113283 - Cost-based optimizations for join queries with union all views and derived tables (2021-09-07),

5. 11086870 - Multi-table aggregation through partial-group-by processing (2021-08-10),

6. 10997168 - Management of soft correlation for databases and optimization of database queries (2021-05-04),

7. 10942923 - Deep learning for optimizer cardinality estimation (2021-03-09),

8. 10545923 - Reducing skew for database operation processing with randomization (2020-01-28),

9. 10268724 - Techniques for improving the performance of complex queries (2019-04-23),

10. 10180961 - Remote nested join between primary access module processors (AMPs) (2019-01-15),

11. 8990186 - Techniques for updating join indexes (2015-03-24),

12. 8972381 - Techniques for three-step join processing on column partitioned tables (2015-03-03),

13. 8949218 - Techniques for join processing on column partitioned tables (2015-02-03),

14. 8140521 - Performing SQL query optimization by simplifying sub-expressions (2012-03-20),

15. 8024286 - Independent column detection in selectivity estimation (2011-09-20),

Title: Grace Kwan-On Au: Innovator in Database Management Systems

Introduction: Grace Kwan-On Au is a prominent inventor based in Rancho Palos Verdes, California, known for his significant contributions to the field of database management systems. With an impressive portfolio of 19 patents, he has been instrumental in advancing methodologies that optimize the efficiency and functionality of relational databases.

Latest Patents: Among his latest innovations, Grace developed a patent for "Cost-based semi-join rewrite," which introduces a method, apparatus, and computer program product for executing a relational database management system (RDBMS). This invention allows the RDBMS to manage a relational database consisting of multiple tables, optimizing query execution through a semi-join operation. This includes both inclusion and exclusion joins, which enhance performance by avoiding unnecessary spooling and sorting when handling large data sets.

Another notable patent, "Techniques for ordering predicates in column partitioned databases for query optimization," addresses the organization of predicates within a single column-partitioned (CP) table. Grace's approach improves query execution by systematically ordering predicates based on CPU/IO cost and selectivity, ultimately leading to more efficient data retrieval.

Career Highlights: Throughout his career, Grace has worked for leading companies in the field of data processing and database management, including Teradata US, Inc. and NCR Corporation. His work in these organizations has focused on developing systems that improve the performance of database operations and enhance data handling capabilities.

Collaborations: Grace Kwan-On Au has collaborated with notable professionals in the industry, including Mohammed Yassin Al-Kateb and Paul Laurence Sinclair. These collaborations have led to innovative research and developments that strengthen the robustness of database management strategies.

Conclusion: Grace Kwan-On Au's work in the realm of database management has made a lasting impact on how data is processed and handled in modern systems. His 19 patents reflect a commitment to innovation and excellence in the field, ensuring more efficient and effective solutions for database management challenges. As technology continues to evolve, contributions like those of Grace will remain vital to the advancement of information 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]

1 patent pending: