Richmond, CA, United States of America

Joydeep Das

This inventor holds 1 USPTO granted patent. Top assignee: Sybase, Inc.. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joydeep Das. Retrieved from https://idiyas.com/inventor/joydeep-das-v67ra2j6

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 56(Granted Patents)


Company Filing History:


Years Active: 2002

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1 patent (USPTO):Explore Patents

Title: Innovations by Joydeep Das in Database Systems

Introduction

Joydeep Das is an accomplished inventor based in Richmond, CA (US). He has made significant contributions to the field of database systems, particularly in enhancing query execution performance. His innovative approach focuses on optimizing large block I/O related query plans, which is crucial for efficient data management.

Latest Patents

Joydeep Das holds a patent for a "Database system with methods for estimation and usage of index page cluster ratio (IPCR) and data page cluster ratio (DPCR)." This patent describes a database system that implements a methodology employing two new statistical measures to improve query execution performance. The first measure, Data Page Cluster Ratio (DPCR), assesses the clustering property of data pages, indicating how well the consecutive data pages of a relational table are organized. The second measure, Index Page Cluster Ratio (IPCR), evaluates the clustering of index leaf pages. By utilizing these measures, the database server's optimizer can intelligently select effective large block I/O access strategies, leading to enhanced performance during query execution. Joydeep Das has 1 patent to his name.

Career Highlights

Joydeep Das has worked at Sybase, Inc., where he has been instrumental in developing innovative database solutions. His expertise in database systems has allowed him to contribute significantly to the company's advancements in technology. His work has been recognized for its impact on improving data processing efficiency.

Collaborations

Joydeep Das has collaborated with Sudipto Rai Chowdhuri, working together to push the boundaries of database technology and enhance the performance of database systems.

Conclusion

Joydeep Das is a notable inventor whose work in database systems has led to significant advancements in query execution performance. His innovative methodologies and collaborative efforts continue to influence the field positively.

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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