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% Expired Patents = 20.0

EPO Patents = 1

Trademarks = 2

Forward Citations = 55

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13 inventors (with patents filed for the assignee):

Jianhui Zhang (2 out of 8 patents)

Nan Wang (1 out of 44 patents)

Hang Xiao (1 out of 20 patents)

4. Dong Han (1 out of 12 patents)

5. Jiang Tao Wang (1 out of 4 patents)

6. Jianzhong Gao (1 out of 2 patents)

7. Danfeng Zhang (1 out of 9 patents)

8. Gang Bai (1 out of 2 patents)

9. Guang Zhu (1 out of 3 patents)

10. Jianfeng Hu (1 out of 3 patents)

11. Wenbing Yang (1 out of 2 patents)

12. Changqing Wan (1 out of 1 patent)

13. Lei Zhang (1 out of 56 patents)

5 patents: Sort by Forward Citations

1. 7617090 - Contents filter based on the comparison between similarity of content character and correlation of subject matter (2009-11-10),

2. 7401249 - Method for backing up and recovering data in a hard disk (2008-07-15),

3. 7213139 - System for gathering and storing internal and peripheral components configuration and initialization information for subsequent fast start-up during first execution of fast start-up (2007-05-01),

4. 7146525 - Method for backing up and recovering data in the hard disk of a computer (2006-12-05),

5. 7111203 - Method for implementing data backup and recovery in computer hard disk (2006-09-19),

Legend (Beijing) Limited is a leading company in Beijing specializing in providing high-quality construction and renovation services. With over 10 years of experience, we have successfully completed numerous residential and commercial projects, earning a reputation for excellence and reliability. Our team of skilled professionals is dedicated to delivering exceptional results on time and within budget.

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USPTO Data Jan 1 1976 - Sep 15 2026

5 Patents

#478 in Beijing

#5,184 in China

Beijing, China

Legend (Beijing) Limited