Taichung, Taiwan

Yu-Cheng Chang

This inventor holds 7 USPTO granted patents. Top assignees: National Yang Ming Chiao Tung University, Au Optronics Corporation, Coretronic Corporation. Active years: 2011-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yu-Cheng Chang. Retrieved from https://idiyas.com/inventor/yu-cheng-chang-gl0zll6b

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

Calculating rank

% Patents Active = 28.6

Average Co-Inventor Count = 3.1

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Taichung, TW (2011 - 2017)
  • Hsin-Chu, TW (2014 - 2017)

Company Filing History:


Years Active: 2011-2017

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7 patents (USPTO):Explore Patents

Title: Innovations of Yu-Cheng Chang

Introduction

Yu-Cheng Chang is a notable inventor based in Taichung, Taiwan. He has made significant contributions to the field of technology, holding a total of 7 patents. His work primarily focuses on optical positioning systems and walking aid devices, showcasing his commitment to enhancing everyday life through innovation.

Latest Patents

One of Yu-Cheng Chang's latest patents is an optical object positioning apparatus and positioning method. This invention includes an optical element, a light sensor, and a processing unit. The optical element features a first surface and a second surface that are opposite and perpendicular to a first axis, with at least two light-passing regions. Light beams from an object to be positioned pass through these regions, allowing the light sensor to generate light-sensing signals. The processing unit then uses these signals to accurately position the object based on the predetermined distance.

Another significant invention is a walking aid device. This device consists of a support body with multiple support elements extending toward the ground. Each support element is equipped with a caster and a brake unit, which includes a clutching surface. This surface can control the friction between the wheel of the caster and the ground, effectively stopping the walking aid device when necessary.

Career Highlights

Yu-Cheng Chang has worked with esteemed organizations such as National Yang Ming Chiao Tung University and Nuvoton Technology Corporation. His experience in these institutions has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Throughout his career, Yu-Cheng Chang has collaborated with talented individuals, including Yi-Pai Huang and Ya-Nan Wen. These partnerships have fostered a creative environment that has led to the development of impactful inventions.

Conclusion

Yu-Cheng Chang's contributions to technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the fields of optical positioning and assistive devices, making a positive impact on society.

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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