For the Inventor, By the Inventor

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Beijing National Innovation Institute of Lightweight Ltd.

USPTO Granted Patents = 2

EPO Patents = 3

Forward Citations = 1

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7 inventors (with patents filed for the assignee):

Feng Liu (2 out of 59 patents)

Zhongde Shan (2 out of 11 patents)

Zheng Wang (1 out of 101 patents)

4. Shuai Zhang (1 out of 38 patents)

5. Juanjuan Qiao (1 out of 2 patents)

6. Li Zhan (1 out of 2 patents)

7. Qun Zhang (1 out of 1 patent)

8. Xiwen Li (2 patents)

9. Haibo Chen (1 patent)

10. Shaoyan Qin (1 patent)

2 patents: Sort by Forward Citations

1. 11692287 - Method for weaving three-dimensional preform having gradient structure (2023-07-04),

2. 11120177 - Sand mold digital flexible extrusion near-net forming optimization method based on search algorithm (2021-09-14),

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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#765 in Beijing

#9,995 in China

Beijing National Innovation Institute of Lightweight Ltd.

Forward Citations = 1

7 inventors:

Feng Liu (2 out of 59 patents)

Zhongde Shan (2 out of 11 patents)

Zheng Wang (1 out of 101 patents)

4. Shuai Zhang (1 out of 38 patents)

5. Juanjuan Qiao (1 out of 2 patents)

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