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For the Inventor, By the Inventor

Taipei, Taiwan

Acemach Co., Ltd.


USPTO Granted Patents = 3

Forward Citations = 3

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1 inventor (with patents filed for the assignee):

goldMedal Chih-Chiang Chang (3 out of 165 patents)


3 patents:

1. 10269105 - Mask inspection device and method thereof (2019-04-23),
2. 10261031 - Mask inspection device and method thereof (2019-04-16),
3. 10147174 - Substrate inspection device and method thereof (2018-12-04),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#1,116 in Taipei

#3,200 in Taiwan

...
Taipei, Taiwan

Acemach Co., Ltd.

Forward Citations = 3

1 inventor:

goldMedal Chih-Chiang Chang (3 out of 165 patents)

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