For the Inventor, By the Inventor

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Hong Kong, China

Nanoshields Technology Limited

USPTO Granted Patents = 2

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Siu Wah Wong (2 out of 35 patents)

Ho Wang Tong (1 out of 8 patents)

Chi Hang Yu (1 out of 1 patent)

4. Yu Hang Leung (1 out of 1 patent)

5. Wing Man Chan (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12442108 - Protective masks made with polymer-based materials (2025-10-14),

2. 12091778 - Device and method for applying nanofibers and/or microfibers onto a substrate, and system comprising the devices (2024-09-17),

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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#1,156 in Hong Kong

#10,046 in China

Hong Kong, China

Nanoshields Technology Limited

Forward Citations = 0

5 inventors:

Siu Wah Wong (2 out of 35 patents)

Ho Wang Tong (1 out of 8 patents)

Chi Hang Yu (1 out of 1 patent)

4. Yu Hang Leung (1 out of 1 patent)

5. Wing Man Chan (1 out of 1 patent)

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