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Taipei, Taiwan

Hwa-Hsiang Chang

This inventor holds 4 USPTO granted patents. Top assignee: Princeton Technology Corporation. Active years: 2009-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hwa-Hsiang Chang. Retrieved from https://idiyas.com/inventor/hwa-hsiang-chang

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

USPTO Granted Patents = 4

% Patents Active = 50.0

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 177(Granted Patents)


Company Filing History:

goldMedal4 out of 193 
 
Princeton Technology Corporation
 patents

Years Active: 2009-2013

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4 patents (USPTO):Explore Patents
1. 8526194 - Anti-ultraviolet memory device and fabrication method thereof (2013-09-03),
2. 8237702 - Radio frequency identification (RFID) systems and methods (2012-08-07),
3. 7940334 - Adaptive gamma transform unit and related method (2011-05-10),
4. 7609239 - Display control system of a display panel and control method thereof (2009-10-27),
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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