For the Inventor, By the Inventor

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Hong Kong, China

Ma, Jun

USPTO Granted Patents = 1

EPO Patents = 1

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Jun Ma (1 out of 121 patents)

Yanming Huang (1 out of 1 patent)

Jun Ma (0 patent)

4. Tetsuhiko Fujisato (0 patent)

1 patent: Sort by Forward Citations

1. 12371924 - Adjustable racking barrier system (2025-07-29),

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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#1,831 in Hong Kong

#18,514 in China

Hong Kong, China

Ma, Jun

Forward Citations = 0

2 inventors:

Jun Ma (1 out of 121 patents)

Yanming Huang (1 out of 1 patent)

Jun Ma (0 patent)

4. Tetsuhiko Fujisato (0 patent)

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