Taipei, Taiwan

Ya-Yi Chang

This inventor holds 1 USPTO granted patent. Top assignee: Hon Hai Precision Industry Co., Ltd.. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ya-Yi Chang. Retrieved from https://idiyas.com/inventor/ya-yi-chang

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

Calculating rank

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: Ya-Yi Chang: Inventor of a Magnetic Transmission Device.

Introduction

Ya-Yi Chang is an inventor based in Taipei, Taiwan. His work includes a patented transmission device that uses magnetic components as part of its transmission mechanism.

Latest Patents

Chang is associated with 1 patent, titled “Transmission device.” The invention includes an input shaft, a first transmission mechanism, a speed-changing mechanism, and an output shaft. The input shaft rotates a mounting housing that holds an outer magnetic member beside an inner magnetic member housed in a transmission shaft. Opposing magnetic poles are positioned adjacent to one another, and the transmission shaft connects to the speed-changing mechanism, which in turn couples to the output shaft.

Career Highlights

Chang is associated with Hon Hai Precision Industry Co., Ltd. His patent describes a transmission design that incorporates magnetic elements alongside mechanical components.

Collaborations

Chang’s listed coworker is Mi-Chien Chen.

Conclusion

Ya-Yi Chang’s patent documents his work on a transmission device combining magnetic members, a speed-changing mechanism, and connected input and output shafts.

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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