San Francisco, CA, United States of America

Francesco G Callari

This inventor holds 17 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents. Top assignees: Lucasfilm Entertainment Company Ltd., Twitter, Inc., Google Inc.. Active years: 2009-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francesco G Callari. Retrieved from https://idiyas.com/inventor/francesco-g-callari

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


% Patents Active = 88.2


 

Average Co-Inventor Count = 2.6

ph-index = 9

Forward Citations = 395(Granted Patents)


Location History:

  • Dobbs Ferry, NY (US) (2016 - 2019)
  • San Francisco, CA (US) (2009 - 2023)

Company Filing History:


Years Active: 2009-2023

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17 patents (USPTO):Explore Patents

Title: The Innovative Mind of Francesco G. Callari

Introduction

Francesco G. Callari is a prominent inventor based in San Francisco, CA. He has made significant contributions to the field of technology, particularly in search infrastructure. With a total of 17 patents to his name, Callari's work has had a lasting impact on real-time search systems.

Latest Patents

One of Callari's latest patents focuses on a sophisticated search infrastructure designed for real-time search capabilities. This system includes a set of partitions, each containing segments that correspond to time slices of messages posted on a messaging platform. The real-time search engine is configured to receive search terms in parallel with other partitions, allowing it to search segments in reverse chronological order. This innovative approach identifies document identifiers of messages that contain the search term. Additionally, a search fanout module is integrated into the system, which receives search queries, sends the search term to each partition for parallel searching, and returns identified document identifiers in response to the search query.

Career Highlights

Throughout his career, Francesco G. Callari has worked with notable companies such as Lucasfilm Entertainment Company Ltd. and Twitter, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the tech industry.

Collaborations

Callari has collaborated with talented individuals in the field, including Steve Sullivan and Krishna Gade. These partnerships have fostered innovation and creativity in his work.

Conclusion

Francesco G. Callari is a distinguished inventor whose contributions to real-time search technology have paved the way for advancements in the field. His innovative patents and collaborations reflect his commitment to pushing the boundaries 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]
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