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W.h.p.m. Bioresearch and Technology

USPTO Granted Patents = 3

Forward Citations = 88

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5 inventors (with patents filed for the assignee):

John Wan (3 out of 21 patents)

Qinghai Xia (3 out of 10 patents)

Jie Liu (2 out of 49 patents)

4. Panpan Hou (1 out of 4 patents)

5. Dandan Yang (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. D776292 - Feces sampling and detecting device (2017-01-10),

2. D776291 - Fecal specimen collector (2017-01-10),

3. D776290 - Fecal occult blood detector (2017-01-10),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#584 in Beijing

#7,230 in China

W.h.p.m. Bioresearch and Technology

Forward Citations = 88

5 inventors:

John Wan (3 out of 21 patents)

Qinghai Xia (3 out of 10 patents)

Jie Liu (2 out of 49 patents)

4. Panpan Hou (1 out of 4 patents)

5. Dandan Yang (1 out of 1 patent)

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