San Francisco, CA, United States of America

Chang Liu

This inventor holds 19 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Machine Learning Systems. Top assignees: Apple Inc., Sift Science, Inc., Dropbox, Inc.. Active years: 2013-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Liu. Retrieved from https://idiyas.com/inventor/chang-liu-3hfipql4

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

USPTO Granted Patents = 19 

% Patents Active = 84.2


Average Co-Inventor Count = 6.3

ph-index = 4

Forward Citations = 56(Granted Patents)


Location History:

  • Beijing, CN (2013 - 2016)
  • Cupertino, CA (US) (2019)
  • San Jose, CA (US) (2020 - 2022)
  • Piscataway, NJ (US) (2022)
  • Seattle, WA (US) (2022)
  • San Francisco, CA (US) (2020 - 2024)

Company Filing History:


Years Active: 2013-2024

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Areas of Expertise:
Machine Learning
Digital Threat Mitigation
Automated Decisioning
Data Sampling
Content Management
Visual Similarity
Anomalous Detection
Training Data Corpus
SIP Modules
XML Evaluation
Database Optimization
19 patents (USPTO):Explore Patents

Title: **Chang Liu: Innovator in Content Management and Digital Threat Mitigation**

Introduction

Chang Liu is a distinguished inventor based in San Francisco, CA, with an impressive portfolio of 19 patents. His work primarily revolves around advancements in content management systems and machine learning applications for detecting digital fraud and abuse.

Latest Patents

Among Liu's notable recent contributions are two significant patents. The first, titled "Managing tasks in a content management system," discloses innovative systems, methods, and non-transitory computer-readable storage media aimed at streamline task management for users. Notably, it allows users to view and manage task data from multiple projects through a unified graphical user interface, facilitating easy updates and status changes.

The second patent focuses on "Systems and methods for generating a probationary automated decisioning workflow in a machine learning-task oriented digital threat or digital abuse mitigation system." This invention utilizes a machine learning approach to enhance the detection of fraud and abuse online. By identifying specific digital event features indicative of fraud, Liu’s method constructs automated workflows that improve digital threat mitigation.

Career Highlights

Chang Liu has made significant strides in his career, having worked with renowned companies such as Apple Inc. and Sift Science, Inc. His expertise has contributed to the advancement of technologies that impact various industries, particularly in content management and cybersecurity.

Collaborations

Throughout his professional journey, Liu has collaborated with accomplished individuals like Lan H. Hoang and Daniel D. Sunshine. Their combined efforts reflect a commitment to advancing technology and enhancing user experiences across different platforms and systems.

Conclusion

Chang Liu continues to be a pivotal figure in the realm of innovation, particularly in content management systems and digital threat mitigation. His extensive knowledge and inventive spirit underscore the importance of pushing boundaries in technology to create more efficient and secure user experiences.

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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