For the Inventor, By the Inventor

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Beijing Yinzhibang Culture Technology Co., Ltd.

USPTO Granted Patents = 2

EPO Patents = 1

Forward Citations = 10

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4 inventors (with patents filed for the assignee):

Xu Zhang (1 out of 168 patents)

Zhaoyang Liu (1 out of 2 patents)

Huaiyin Guo (1 out of 1 patent)

4. Ming Xi (1 out of 1 patent)

5. Xu Zhang (0 patent)

2 patents: Sort by Forward Citations

1. 10210250 - Mobile terminal-based song recommendation method and device (2019-02-19),

2. 9832493 - Method and apparatus for processing audio/video file (2017-11-28),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#767 in Beijing

#10,021 in China

Beijing Yinzhibang Culture Technology Co., Ltd.

Forward Citations = 10

4 inventors:

Xu Zhang (1 out of 168 patents)

Zhaoyang Liu (1 out of 2 patents)

Huaiyin Guo (1 out of 1 patent)

4. Ming Xi (1 out of 1 patent)

5. Xu Zhang (0 patent)

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