Kingsoft Office and two other companies jointly applied for patents related to hierarchical data compression, improving the efficiency of hierarchical relationship data compression and parsing performance.

On March 26, the State Intellectual Property Office’s information shows that Zhuhai Kingsoft Office Software Co., Ltd., Beijing Kingsoft Office Software Co., Ltd., and Wuhan Kingsoft Office Software Co., Ltd. applied for a patent titled “A Method, System, and System for Compressing Hierarchical Data.” The application publication number is CN121727554A, the application number is CN202511850123.9, the publication date is March 24, 2026, and the filing date is December 9, 2025. Inventors include Yang Dan, He Zhijian, Xue Feng, Rao Jinwei, Chen Yan, Wang Caidong, Zheng Huawei, and Lin Tao. The patent agency is Beijing ZeFang YuHang Patent Agency (General Partnership), with patent agent Chen Zhaohui. The classification number is H03M7/30.

The patent abstract states that an embodiment of this application discloses a method, system, and system for compressing hierarchical data. The technical solution provided involves obtaining a raw hierarchical data set, which includes multiple raw encoded data items sorted according to hierarchy; determining the hierarchical association information among these raw encoded data; adding hierarchy symbols to related raw encoded data based on this association; and adjusting the raw encoded data based on the association information to generate a compressed data set corresponding to the original hierarchical data. Using this approach can improve compression efficiency and parsing performance of hierarchical data, meet the needs for efficient storage and fast transmission, and enhance application performance and user experience.

Tianyancha data shows that Zhuhai Kingsoft Office Software Co., Ltd. was established on October 22, 2009, with legal representative Zhang Qingyuan. It operates in the software and information technology services industry, classified as a large enterprise, with a registered capital of 1,623.26 million RMB and paid-in capital of the same amount. Its registered address is No. 321 Qian Dao Huan Road, Tangjiawan Town, Zhuhai High-tech Zone, in the Kingsoft Software Park, Building 5. The company has invested in 8 other enterprises, participated in 1,858 bidding projects, and holds 3 trademark records, 1,470 patent records, and 25 administrative licenses.

Recent patent information for Zhuhai Kingsoft Office Software Co., Ltd. includes:

The data for Beijing Kingsoft Office Software Co., Ltd. is similar, with the same patent records listed.

The Wuhan Kingsoft Office Software Co., Ltd. was established on December 15, 2017, with legal representative Zhang Qingyuan. It operates in the software and information technology services industry, classified as a large enterprise, with a registered capital of 650 million RMB and paid-in capital of the same. Its address is No. 306, Guanggu 4th Road, East Lake High-tech Development Zone, Wuhan, Hubei Province, in the Kingsoft Group Wuhan Headquarters WPS Project (Phase 1, Plot 12, Building 1, fully self-used) and Phase 2 (fully self-used) buildings. The company has invested in 19 other enterprises, participated in 165 bidding projects, and holds 0 trademark records, 673 patent records, and 28 administrative licenses.

Recent patent information for Wuhan Kingsoft Office Software Co., Ltd.:

The data for the Wuhan company is similar, with the same patent records listed.

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