For the Inventor, By the Inventor

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Beijing D-Ear Technologies Co., Ltd.

USPTO Granted Patents = 1

EPO Patents = 1

Forward Citations = 2

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6 inventors (with patents filed for the assignee):

Xiaogang Wang (1 out of 42 patents)

Gang Wang (1 out of 305 patents)

Xiaojun Wu (1 out of 15 patents)

4. Le Liu (1 out of 3 patents)

5. Fang Zheng (1 out of 2 patents)

6. Lantian Li (1 out of 2 patents)

1 patent: Sort by Forward Citations

1. 10540980 - Dynamic security code speech-based identity authentication system and method having self-learning function (2020-01-21),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#1,165 in Beijing

#16,162 in China

Beijing D-Ear Technologies Co., Ltd.

Forward Citations = 2

6 inventors:

Xiaogang Wang (1 out of 42 patents)

Gang Wang (1 out of 305 patents)

Xiaojun Wu (1 out of 15 patents)

4. Le Liu (1 out of 3 patents)

5. Fang Zheng (1 out of 2 patents)

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