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For the Inventor, By the Inventor

Bellevue, WA, United States of America

Yizhi Zhu

This inventor holds 11 USPTO granted patents and 2 published patent applications. Top assignee: Snowflake Inc.. Active years: 2020-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yizhi Zhu. Retrieved from https://idiyas.com/inventor/yizhi-zhu

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

USPTO Granted Patents = 11 

% Patents Active = 90.9

Average Co-Inventor Count = 6.0

ph-index = 3

Forward Citations = 25(Granted Patents)


Company Filing History:

goldMedal11 out of 1,109 
 
Snowflake Inc.
 patents

Years Active: 2020-2026

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11 patents (USPTO):Explore Patents
1. 12717945 - Rekeying using indirection layer for dynamic key ID lookup (2026-08-25),
2. 12386863 - Micro-partition clustering based on expression property metadata (2025-08-12),
3. 11822582 - Metadata clustering (2023-11-21),
4. 11636114 - Multi-level data for database systems (2023-04-25),
5. 11106678 - Storing metadata using data structures in database systems (2021-08-31),
6. 11055291 - Generating data structures for storing database metadata (2021-07-06),
7. 10997212 - Storing database metadata in multiple levels (2021-05-04),
8. 10977278 - Multi-level metadata in database systems (2021-04-13),
9. 10909121 - Storing multi-level metadata in database systems (2021-02-02),
10. 10866955 - Storing multi-level metadata in database systems (2020-12-15),
11. 10810232 - Multi-level metadata in database systems (2020-10-20),

Title: Yizhi Zhu: Innovator in Database Technologies

Introduction

Yizhi Zhu is a prominent inventor based in Bellevue, WA, known for his significant contributions to database technologies. With a total of 10 patents to his name, he has made remarkable advancements in the field of data management and processing.

Latest Patents

Among his latest patents is a method for micro-partition clustering based on expression property metadata. This innovative approach involves storing table data in multiple micro-partitions, each associated with specific expression property files. The method enhances the selection process for clustering operations by determining sub-ranges of table data based on these files. Another notable patent focuses on metadata clustering, which aims to improve query processing in databases. This method includes storing metadata for each micro-partition and selecting a subset of expression properties to create a grouping expression property, thereby optimizing database performance.

Career Highlights

Yizhi Zhu currently works at Snowflake Inc., a company renowned for its cloud-based data warehousing solutions. His work at Snowflake has positioned him as a key player in the development of innovative database technologies that cater to modern data processing needs.

Collaborations

He collaborates with talented coworkers such as Yi Fang and Ashish Motivala, contributing to a dynamic team focused on pushing the boundaries of database innovation.

Conclusion

Yizhi Zhu's contributions to database technologies through his patents and work at Snowflake Inc. highlight his role as a leading inventor in the field. His innovative methods for clustering and metadata processing continue to shape the future of data management.

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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