This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Huawei Technologies Co., Ltd., University of Science and Technology of China. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 2,396 
1 out of 104 Years Active: 2026
Title: Long Yan and His Patent on Key-Value Pair Retrieval
Introduction
Long Yan is an inventor associated with Nanjing, China. His work includes a patent for a method and apparatus for retrieving key-value pairs, as well as a related storage medium.
Latest Patents
Yan’s listed patent, “Key-value pair retrieval method and apparatus, and storage medium,” describes dividing a key into multiple fields. The method uses a bitmap top (BT) to identify a first bit based on a front key field, then selects a target bitmap bottom (BB) from the BBs associated with that bit using a rear key field. This approach can help locate shared BBs for keys with the same first key field. The supplied information lists 1 patent for Yan.
Career Highlights
Yan is associated with Huawei Technologies Co., Ltd. and the University of Science and Technology of China. The available information does not specify his roles or dates of employment at these organizations.
Collaborations
Yun Xu and Pengcheng Wang are identified as Yan’s coworkers. The supplied information does not detail their specific contributions to the patent.
Conclusion
Long Yan’s listed patent presents a bitmap-based approach to key-value pair retrieval, and his professional associations include Huawei Technologies Co., Ltd. and the University of Science and Technology of China.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile