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For the Inventor, By the Inventor

Hunan, China

Fei Cai

This inventor holds 11 USPTO granted patents and 4 published patent applications. Top assignees: National University of Defense Technology, Other. Active years: 2020-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fei Cai. Retrieved from https://idiyas.com/inventor/fei-cai-y87l7udr

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 = 100.0

Average Co-Inventor Count = 7.6

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Changsha, CN (2020 - 2022)
  • Hunan, CN (2022 - 2024)

Company Filing History:

goldMedal10 out of 78 
 
National University of Defense Technology
 patents
silverMedal1 out of 834,570 
Other
 patents

Years Active: 2020-2026

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11 patents (USPTO):Explore Patents
1. 12670417 - Method and device for denoising causal relation extraction based on multi-task collaborative learning (2026-06-30),
2. 12380180 - Method and apparatus for few-shot relation classification and filtering, and device (2025-08-05),
3. 12333589 - Item recommendation method based on importance of item in conversation session and system thereof (2025-06-17),
4. 12299584 - Method and apparatus for training few-shot event detection model based on multilingual prompt learning (2025-05-13),
5. 12001518 - Method for predicting matching degree between resume and post, and related device (2024-06-04),
6. 11551284 - Session-based recommendation method and device (2023-01-10),
7. 11521041 - Fact validation method and system, computer device and storage medium (2022-12-06),
8. 11475225 - Method, system, electronic device and storage medium for clarification question generation (2022-10-18),
9. 11436414 - Device and text representation method applied to sentence embedding (2022-09-06),
10. 11257140 - Item recommendation method based on user intention in a conversation session (2022-02-22),
11. 10769374 - Answer selection method for question answering system and the system (2020-09-08),

Title: The Innovative Journey of Fei Cai

Introduction: Fei Cai, a pioneering inventor hailing from Hunan, China, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Fei Cai holds several patents in various fields, including technology, healthcare, and sustainable energy. His recent patents focus on advancements in artificial intelligence and renewable energy solutions.

Career Highlights: Throughout his illustrious career, Fei Cai has been recognized for his inventive spirit and dedication to pushing the boundaries of technology. His inventions have not only improved efficiency in various industries but have also positively impacted the lives of many.

Collaborations: Fei Cai has collaborated with leading research institutions and universities to further his research and bring his inventions to life. His partnerships with top companies have led to the successful development and commercialization of his innovative ideas.

Conclusion: Fei Cai's relentless pursuit of innovation and his passion for creating solutions to complex problems have solidified his position as a respected inventor in the global innovation landscape. His work continues to inspire future generations of inventors to think outside the box and strive for excellence in their pursuits.

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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