For the Inventor, By the Inventor

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Guangdong, China

Udn Packaging Corp.

USPTO Granted Patents = 4

Trademarks = 2

Forward Citations = 19

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4 inventors (with patents filed for the assignee):

Xiaoying Huang (2 out of 3 patents)

Ming Wang (1 out of 8 patents)

Jiajun Yan (1 out of 1 patent)

4. Nanchieh Wang (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. D1085890 - Tube (2025-07-29),

2. D1050889 - Tube cap (2024-11-12),

3. 11844413 - Packaging container (2023-12-19),

4. 8052016 - Dual tube container with one way valves and applicator (2011-11-08),

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USPTO Data Jan 1 1976 - Dec 23 2025

4 Patents

#225 in Guangdong

#5,574 in China

Guangdong, China

Udn Packaging Corp.

Forward Citations = 19

4 inventors:

Xiaoying Huang (2 out of 3 patents)

Ming Wang (1 out of 8 patents)

Jiajun Yan (1 out of 1 patent)

4. Nanchieh Wang (1 out of 1 patent)

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