Cheongju, South Korea

Chang Ho Ahn

This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignee: Magnachip Semiconductor, Inc.. Active years: 2015-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Ho Ahn. Retrieved from https://idiyas.com/inventor/chang-ho-ahn-bqbv6qrs

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Location History:

  • Hwaseong-si, KR (2017)
  • Cheongju-si, KR (2015 - 2018)

Company Filing History:


Years Active: 2015-2018

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4 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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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