For the Inventor, By the Inventor

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Taoyuan, Taiwan

Sampo Technology Corp.

USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 47

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4 inventors (with patents filed for the assignee):

Heng-Chun Ho (1 out of 8 patents)

Shu-Ming Liu (1 out of 18 patents)

Hsing N Yang (1 out of 1 patent)

4. Kwen-Yung Liu (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6497608 - Toy car camera system and rear vision mirrors (2002-12-24),

2. 5434483 - Automatic compensation circuit for the horizontal deflection of a (1995-07-18),

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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#336 in Taoyuan

#4,255 in Taiwan

Taoyuan, Taiwan

Sampo Technology Corp.

Forward Citations = 47

4 inventors:

Heng-Chun Ho (1 out of 8 patents)

Shu-Ming Liu (1 out of 18 patents)

Hsing N Yang (1 out of 1 patent)

4. Kwen-Yung Liu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sampo Technology Corp.. Retrieved from https://idiyas.com/company/sampo-technology

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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