Taipei, Taiwan

Wen-Han Chang

This inventor holds 11 USPTO granted patents and 1 published patent application. Top assignees: Acrox Technologies Co., Ltd., Mackay Memorial Hospital, Other. Active years: 2005-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wen-Han Chang. Retrieved from https://idiyas.com/inventor/wen-han-chang

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

USPTO Granted Patents = 11 

% Patents Active = 27.3

Average Co-Inventor Count = 1.4

ph-index = 7

Forward Citations = 285(Granted Patents)


Location History:

  • Sung Shan District, Taipei City, TW (2008)
  • Taipei City, TW (2009)
  • Taipei, TW (2005 - 2024)

Company Filing History:


Years Active: 2005-2024

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11 patents (USPTO):Explore Patents

Title: Innovations of Inventor Wen-Han Chang

Introduction

Wen-Han Chang is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of medical devices, holding a total of 11 patents. His work focuses on improving respiratory and monitoring technologies, showcasing his commitment to enhancing healthcare solutions.

Latest Patents

One of his latest inventions is a respiratory mask designed to connect a user to a breathing tube. This mask facilitates the exchange of gases, providing a user-friendly solution for respiratory support. It consists of a main part with multiple openings, an air chamber exchange part, an insert for the user's nose, and a clamping part for the mouth. This innovative design allows for efficient gas exchange, improving the user's respiratory experience.

Another significant patent is a device and method for measuring blood oxygen levels and detecting brain hematomas. This device includes a probe with three light sources that emit near-infrared wavelengths across the brain. The system utilizes detectors to measure the intensities of these wavelengths, allowing for accurate determination of blood oxygen levels based on the Beer-Lambert Law. This invention represents a breakthrough in non-invasive monitoring of brain health.

Career Highlights

Wen-Han Chang has worked with Acrox Technologies Co., Ltd., where he has further developed his expertise in medical technology. His career reflects a dedication to innovation and a passion for improving healthcare through technology.

Collaborations

Wen-Han has collaborated with notable individuals in his field, including Ko-An Chen and Chin-Ming Lu. These partnerships have contributed to the advancement of his inventions and the overall impact of his work in the medical device industry.

Conclusion

Wen-Han Chang's contributions to medical technology through his innovative patents demonstrate his commitment to improving healthcare solutions. His inventions, particularly in respiratory support and brain monitoring, highlight the importance of innovation in enhancing patient care.

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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