Miaoli, Taiwan

Chao-Lung Chang

This inventor holds 6 USPTO granted patents and 6 published patent applications. Top assignees: Darfon Electronics Corporation, Darfon Electronics (Suzhou) Co., Ltd.. Active years: 2008-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chao-Lung Chang. Retrieved from https://idiyas.com/inventor/chao-lung-chang

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

Calculating rank
USPTO Granted Patents = 6 

% Patents Active = 66.7

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Miaoli County, TW (2008 - 2012)
  • Taoyuan, TW (2016)

Company Filing History:


Years Active: 2008-2016

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6 patents (USPTO):Explore Patents

Title: Innovations of Chao-Lung Chang

Introduction

Chao-Lung Chang is a notable inventor based in Miaoli County, Taiwan. He has made significant contributions to the field of keyboard technology, holding a total of 6 patents. His innovative designs have enhanced user experience and functionality in modern keyboards.

Latest Patents

Among his latest patents is the "Keyswitch and keyboard therewith." This invention features a key switch that includes a key cap, a linkage bar, an edge plate, and a recess portion. The design allows for smooth operation and improved durability. Another notable patent is the "Light-emitting keyboard," which incorporates a light guide plate and a light source to ensure even light distribution while preventing unwanted light emission from the via hole.

Career Highlights

Chao-Lung Chang has worked with prominent companies such as Darfon Electronics Corporation and Darfon Electronics (Suzhou) Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

He has collaborated with talented individuals like Liang-Ta Yeh and Chin-Hung Lin, further enhancing the quality and impact of his inventions.

Conclusion

Chao-Lung Chang's contributions to keyboard technology through his patents demonstrate his innovative spirit and dedication to improving user experience. His work continues to influence the industry and inspire future advancements.

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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