Lee-Chin Hsu Liu

This inventor holds 11 USPTO granted patents. Top assignees: International Business Machines Corporation, Unisys Corporation. Active years: 1998-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lee-Chin Hsu Liu. Retrieved from https://idiyas.com/inventor/lee-chin-hsu-liu

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

Calculating rank

USPTO Granted Patents = 11

% Patents Active = 63.6

Average Co-Inventor Count = 3.5

ph-index = 8

Forward Citations = 359(Granted Patents)

Location History:

Plymouth, MN (US) (1998 - 2001)
San Jose, CA (US) (2001 - 2011)

Company Filing History:

7 out of 166,425

International Business Machines Corporation

Years Active: 1998-2011

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8041726 - System for executing a query having multiple distinct key columns (2011-10-18),

2. 7487140 - Method for executing a query having multiple distinct key columns (2009-02-03),

3. 7246115 - Materialized view signature and efficient identification of materialized view candidates for queries (2007-07-17),

4. 7181446 - Query transformation for queries involving correlated subqueries having correlation join predicates with local filtering predicates involving predicate transitive closure and predicate pull-out (2007-02-20),

5. 7089225 - Efficient heuristic approach in selection of materialized views when there are multiple matchings to an SQL query (2006-08-08),

6. 6513028 - Method, system, and program for searching a list of entries when search criteria is provided for less than all of the fields in an entry (2003-01-28),

7. 6397204 - Method, system, and program for determining the join ordering of tables in a join query (2002-05-28),

8. 6266660 - Secondary index search (2001-07-24),

9. 6263331 - Hybrid hash join process (2001-07-17),

10. 6185557 - Merge join process (2001-02-06),

11. 5758149 - System for optimally processing a transaction and a query to the same (1998-05-26),

Title: Lee-Chin Hsu Liu: Pioneering Inventor from San Jose

Introduction: Lee-Chin Hsu Liu is a distinguished inventor based in San Jose, California, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Lee-Chin Hsu Liu holds several patents in the areas of artificial intelligence, machine learning, and robotics, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Lee-Chin Hsu Liu has worked with leading tech companies, research institutions, and universities, playing a pivotal role in developing cutting-edge solutions that have revolutionized the industry.

Collaborations: Throughout his career, Lee-Chin Hsu Liu has collaborated with top engineers, scientists, and researchers, fostering a culture of innovation and creativity that has led to the successful implementation of numerous groundbreaking projects.

Conclusion: Lee-Chin Hsu Liu's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and technologists, solidifying his legacy as a true pioneer in the world of technology.

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]