For the Inventor, By the Inventor

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Shanghai, China

Jiuma Automatic Machinery (shanghai) Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Hongbo Li (3 out of 29 patents)

Yu Meng (3 out of 5 patents)

Xiafei Zhou (3 out of 3 patents)

4. Gang Liu (2 out of 29 patents)

5. Xujie Wan (2 out of 2 patents)

6. Jun Gu (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12151334 - Automatic chuck apparatus, grinding wheel cutting apparatus and cutting method (2024-11-26),

2. 12122015 - Grinding wheel apparatus, grinding wheel cutting apparatus and cutting method (2024-10-22),

3. 12042897 - Grinding wheel cutting apparatus and cutting method (2024-07-23),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#559 in Shanghai

#7,230 in China

Shanghai, China

Jiuma Automatic Machinery (shanghai) Co., Ltd.

Forward Citations = 1

6 inventors:

Hongbo Li (3 out of 29 patents)

Yu Meng (3 out of 5 patents)

Xiafei Zhou (3 out of 3 patents)

4. Gang Liu (2 out of 29 patents)

5. Xujie Wan (2 out of 2 patents)

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