Company Filing History:
3 out of 635 
1 out of 165 
1 out of 305 
Years Active: 2019-2024
Title: Innovations by Inventor Chun Han
Introduction
Chun Han is an accomplished inventor based in Fremont, CA (US), known for his contributions to technology and online security. With a total of 5 patents, he has made significant strides in detecting fraudulent activities and abnormal user behavior in online environments.
Latest Patents
One of Chun Han's latest patents is a "Method and system for detecting fraudulent advertisement activity." This invention focuses on a fraud detection system that protects against fraudulent advertisement requests. The system extracts an identifier from the advertisement request and checks it against a list of designated identifiers. If the identifier is found on the list, the request is denied; otherwise, the advertisement is provided, and the system analyzes the request features to update the list accordingly.
Another notable patent is the "Method and system for detecting abnormal online user activity." This invention aims to identify abnormal user activities associated with an entity. It involves obtaining baseline distribution data that characterizes normal user activities and comparing it with dynamic distribution data derived from real-time user activity. If abnormal activity is detected, the system generates output data that includes the relevant distribution data and measures.
Career Highlights
Chun Han has worked with prominent companies such as Oath Inc. and Yahoo Ad Tech LLC. His experience in these organizations has allowed him to develop innovative solutions that address critical issues in online advertising and user behavior.
Collaborations
Chun has collaborated with talented individuals in his field, including Liang Wang and Angus Xianen Qiu. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Chun Han's work exemplifies the impact of innovation in technology, particularly in enhancing online security and advertising integrity. His patents reflect a commitment to improving user experience and protecting against fraudulent activities.