Central South University and Desay SV apply for patents related to data collection, achieving end-to-end privacy protection and ensuring data quality

On March 29, news came that the National Intellectual Property Administration’s information shows that Central South University and Huizhou Desay SV Automotive Electronics Co., Ltd. have applied for a patent titled “A Data Collection Method and System.” The application publication number is CN121744374A, the application number is CN202511674558.2, the application publication date is March 27, 2026, and the application date is November 14, 2025. The inventors are Xu Jian, Liu Anfeng, and Yang Zijiang. The patent agency is Guangdong Chuanghe Intellectual Property Agency Co., Ltd., and the patent agent is Han Shuying. The classification numbers are G06F21/62, G06F21/60, G06F21/64, H04L9/00, H04L9/08, and H04L9/30.

The patent abstract shows that this application provides a data collection method and system; the data collection method includes: obtaining a first noise-added data encrypted based on initial perception data synthesized on the blockchain, and decrypting the first noise-added data to obtain second noise-added data; then calculating to obtain target weights based on the second noise-added data, and calculating to obtain the target data true value based on the target weights and the initial perception data; further constructing a credible interval based on the target data true value to validate the initial perception data based on the credible interval, and taking the validated initial perception data as target perception data. This application ensures that neither the data requester nor the aggregation server can obtain the original perception data, fundamentally preventing participant privacy leakage, achieving end-to-end privacy protection, and ensuring that the final obtained target perception data is noise-free, thus guaranteeing data quality.

Desay SV was established on July 24, 1986, and was listed on the Shenzhen Stock Exchange on December 26, 2017, with both its registered and office addresses located in Huizhou, Guangdong Province. It is a leading enterprise in the domestic automotive electronics field, with its core business being automotive electronic products, leading in technologies such as smart cockpits.

Desay SV mainly engages in the research, design, production, and sales of automotive electronic products, belonging to the Shenwan industry of computers - software development - vertical application software, covering conceptual sectors such as smart cockpits, Xiaopeng concept, and Li Auto concept.

In 2025, Desay SV’s operating revenue reached 32.557 billion yuan, ranking first among 14 companies in the industry, far exceeding the industry average of 4.867 billion yuan and median of 1.849 billion yuan, with the second-ranked Yun Sai Zhilian at only 6.348 billion yuan. Among its main businesses, the smart cockpit revenue was 20.585 billion yuan, accounting for 63.23%; intelligent driving was 9.7 billion yuan, accounting for 29.79%; connected services and others were 2.272 billion yuan, accounting for 6.98%. In terms of net profit, it was 2.473 billion yuan in 2025, ranking second in the industry, with the first-ranking Tonghuashun at 3.205 billion yuan, the industry average at 0.585 billion yuan, and the median at 0.161 billion yuan.

The recent patent situation of Huizhou Desay SV Automotive Electronics Co., Ltd. is as follows:

Disclaimer: The market has risks, and investment must be cautious. This article was automatically published by AI based on a third-party database and does not represent the views of Sina Finance. Any information appearing in this article is for reference only and does not constitute personal investment advice. If there are discrepancies, please refer to the actual announcement. For inquiries, please contact biz@staff.sina.com.cn.

Massive information and precise interpretation, all in the Sina Finance APP

Editor: Xiao Lang Kuai Bao