% Expired Patents = 100.0

Forward Citations = 3

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4 inventors (with patents filed for the assignee):

Wei-Hsu Chang (1 out of 54 patents)

Chen-Hua Chiu (1 out of 14 patents)

Ching-Jan Chen (1 out of 10 patents)

4. Dan Chen (1 out of 9 patents)

1 patent: Sort by Forward Citations

1. 8525497 - Using offset cancellation circuit to mitigate beat-frequency oscillation of phase currents in a multiphase interleaved voltage regulator (2013-09-03),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#746 in Hsinchu

#6,134 in Taiwan

Hsinchu, Taiwan

Rickhtek Tecnology Corp.

Forward Citations = 3

4 inventors:

Wei-Hsu Chang (1 out of 54 patents)

Chen-Hua Chiu (1 out of 14 patents)

Ching-Jan Chen (1 out of 10 patents)

4. Dan Chen (1 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rickhtek Tecnology Corp.. Retrieved from https://idiyas.com/company/rickhtek-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]