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Estsoft Corp.

USPTO Granted Patents = 8

Trademarks = 11

Forward Citations = 11

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11 inventors (with patents filed for the assignee):

Yun-Sik Oh (2 out of 2 patents)

Sung-min Cho (1 out of 13 patents)

Kun-Young Son (1 out of 1 patent)

4. Hyoung-Woo Son (1 out of 1 patent)

5. Jun Seob Kim (1 out of 1 patent)

6. Woo Young Jung (1 out of 4 patents)

7. Jang Joong Kim (1 out of 1 patent)

8. Yoon Sik Oh (1 out of 1 patent)

9. Hyeong Jin Byeon (1 out of 3 patents)

10. Min Gwan Seo (1 out of 1 patent)

11. Hae Bin Shin (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 11727703 - Apparatus for detecting contextually-anomalous sentence in document, method therefor, and computer-readable recording medium having program for performing same method recorded thereon (2023-08-15),

2. 9305054 - System and method for extracting analogous queries (2016-04-05),

3. 9038182 - Method of defending against a spoofing attack by using a blocking server (2015-05-19),

4. 8593312 - Method and apparatus for compressing and decompressing block unit data (2013-11-26),

5. 8572054 - Forward compatibility guaranteed data compression and decompression method and apparatus thereof (2013-10-29),

6. 8533242 - File management method in web storage system (2013-09-10),

7. 8359648 - Method and system for defending DDoS attack (2013-01-22),

8. 8250060 - File uploading method with function of abstracting index information in real time and web storage system using the same (2012-08-21),

Estsoft Corp. is a South Korean software company founded in 1993. They are known for developing a wide range of software products, including games, security solutions, and business applications. Estsoft's most popular products include the MMORPG Cabal Online and the security software ALYac. With a focus on innovation and user experience, Estsoft continues to be a leader in the software industry.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#58 in

#1,245 in South Korea