% Expired Patents = 14.3

Forward Citations = 48

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5 inventors (with patents filed for the assignee):

Carl Wesley Robinson (5 out of 11 patents)

Li De Chen (2 out of 2 patents)

Yeng Ming Chang (1 out of 1 patent)

4. Steve W S Teng (1 out of 1 patent)

5. Edmund Yeng-Ming Chang (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 9226392 - Tamper protection device and data transaction apparatus (2015-12-29),

2. 8669886 - Data entry module (2014-03-11),

3. 7360709 - Device for locking a card in a card reader (2008-04-22),

4. 6447187 - Restraining module for a cutter of a printer (2002-09-10),

5. 6426710 - Security keyboard matrix scanning method (2002-07-30),

6. 6347896 - Cutting mode switching module in a printer (2002-02-19),

7. 6325558 - Tear bar for a thermal printer mechanism (2001-12-04),

Xac Automation Corporation is a leading provider of automation solutions for industrial processes. With a focus on efficiency and quality, we design and implement cutting-edge systems that help our clients optimize their operations. Our services include custom automation design, integration, and maintenance. Contact us today to see how Xac Automation can streamline your production processes.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#290 in Hsinchu

#1,846 in Taiwan

Hsinchu, Taiwan

Xac Automation Corporation