For the Inventor, By the Inventor

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Shenzhen, China

Shenzhen Qanba Technology Development Co., Ltd

USPTO Granted Patents = 2

Trademarks = 2

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Kai Liu (1 out of 81 patents)

Ya'en Teng (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12478864 - Shaft joystick (2025-11-25),

2. 12383821 - Luminescence indicator LED control method, luminescence indicator LED, game controller joystick and gamepad (2025-08-12),

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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#1,649 in Shenzhen

#9,995 in China

Shenzhen, China

Shenzhen Qanba Technology Development Co., Ltd

Forward Citations = 0

2 inventors:

Kai Liu (1 out of 81 patents)

Ya'en Teng (1 out of 1 patent)

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