For the Inventor, By the Inventor

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Ningbo Troika Science & Technology Company Limited

USPTO Granted Patents = 3

CIPO Patents = 2

EPO Patents = 1

Forward Citations = 1

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5 inventors (with patents filed for the assignee):

Jun Yang (1 out of 41 patents)

Aaron Szymanski (1 out of 131 patents)

Wengao Liu (1 out of 1 patent)

4. Jun Yang (0 patent)

3 patents: Sort by Forward Citations

1. 12161177 - Flexible mask with adjustable strap (2024-12-10),

2. 11166612 - Cleaning apparatus (2021-11-09),

3. D839603 - Brush head (2019-02-05),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#167 in Ningbo

#7,227 in China

Ningbo Troika Science & Technology Company Limited

Forward Citations = 1

5 inventors:

Jun Yang (1 out of 41 patents)

Aaron Szymanski (1 out of 131 patents)

Wengao Liu (1 out of 1 patent)

4. Jun Yang (0 patent)

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