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For the Inventor, By the Inventor

Song Jiang, Shanghai, China

Ken Holding Co., Ltd.


USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal Mingting Wu (2 out of 3 patents)

silverMedal Aicheng Guo (1 out of 1 patent)


3 patents:

1. 12030167 - False triggering prevention device for spindle self-locking mechanism of electric tool (2024-07-09),
2. 9533362 - Miter saw (2017-01-03),
3. 9393659 - Cutting-off saw with safety protection device (2016-07-19),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#559 in Song Jiang, Shanghai

#7,245 in China

...
Song Jiang, Shanghai, China

Ken Holding Co., Ltd.

Forward Citations = 3

2 inventors:

goldMedal Mingting Wu (2 out of 3 patents)

silverMedal Aicheng Guo (1 out of 1 patent)

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