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For the Inventor, By the Inventor

San Jose, CA, United States of America

Mingkuan Liu

This inventor holds 11 USPTO granted patents and 5 published patent applications. Top assignee: Ebay, Incorporated. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mingkuan Liu. Retrieved from https://idiyas.com/inventor/mingkuan-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 = 81.8

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 75(Granted Patents)


Company Filing History:

goldMedal11 out of 3,309 
 
Ebay, Incorporated
 patents

Years Active: 2018-2026

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11 patents (USPTO):Explore Patents
1. 12705264 - Search system for providing search results using query understanding and semantic binary signatures (2026-08-11),
2. 11698921 - Search system for providing search results using query understanding and semantic binary signatures (2023-07-11),
3. 11573985 - Miscategorized outlier detection using unsupervised SLM-GBM approach and structured data (2023-02-07),
4. 11227004 - Semantic category classification (2022-01-18),
5. 10984023 - Miscategorized outlier detection using unsupervised SLM-GBM approach and structured data (2021-04-20),
6. 10635727 - Semantic forward search indexing of publication corpus (2020-04-28),
7. 10606873 - Search index trimming (2020-03-31),
8. 10599701 - Semantic category classification (2020-03-24),
9. 10430446 - Semantic reverse search indexing of publication corpus (2019-10-01),
10. 10268752 - Automatic taxonomy mapping using sequence semantic embedding (2019-04-23),
11. 10095770 - Miscategorized outlier detection using unsupervised SLM-GBM approach and structured data (2018-10-09),

Title: Innovations of Mingkuan Liu

Introduction

Mingkuan Liu is a prominent inventor based in San Jose, California. He has made significant contributions to the field of search technology, holding a total of 10 patents. His work focuses on improving the processing of search queries, making them more efficient and relevant.

Latest Patents

One of his latest patents is a search system designed to provide search results using query understanding and semantic binary signatures. This technology enhances the processing of search queries by returning semantically relevant results. The system generates an inventory semantic index that includes binary hashing signatures associated with inventory listings. This index is categorized and partitioned for efficient searching. When a search query is received, relevant categories are identified, and a binary hashing signature is created for the query. The system then calculates Hamming distances to determine semantic relevance.

Another notable patent involves the detection of miscategorizations using an unsupervised statistical language model (SLM) approach combined with structured data. This method trains models using sample item listings and calculates perplexity for item titles. A gradient boosting machine (GBM) is employed to generate a miscategorization classification score, enhancing the accuracy of item listings.

Career Highlights

Mingkuan Liu is currently employed at eBay, Incorporated, where he applies his innovative ideas to enhance the company's search capabilities. His work has significantly impacted how users interact with search systems, making it easier to find relevant products and services.

Collaborations

Mingkuan has collaborated with notable colleagues, including Hao Zhang and Xianjing Liu. Their combined expertise has contributed to the development of advanced search technologies.

Conclusion

Mingkuan Liu's contributions to search technology through his patents and work at eBay demonstrate his commitment to innovation. His advancements in query processing and categorization have the potential to transform user experiences in online search.

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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