Hsinchu, Taiwan

Rong-Chang Ma

This inventor holds 2 USPTO granted patents. Top assignee: Industrial Technology Research Institute. Active years: 2003-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rong-Chang Ma. Retrieved from https://idiyas.com/inventor/rong-chang-ma

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


Average Co-Inventor Count = 4.4

ph-index = 1


Location History:

  • Hsinchu Hsien, TW (2003)
  • Hsinchu, TW (2005)

Company Filing History:


Years Active: 2003-2005

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2 patents (USPTO):Explore Patents

Title: Innovations by Rong-Chang Ma

Introduction

Rong-Chang Ma is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of optical disc technology. With a total of 2 patents, his work focuses on improving the manufacturing processes of multi-layer optical discs.

Latest Patents

One of his latest patents is titled "Apparatus for making multi-layer optical discs." This invention involves a method and apparatus designed to separate the base plate from the mold plate. The apparatus includes a first adhesive ending groove, a mold plate, a sealing member, and an air-blowing axle. The design ensures that the adhesive does not cover the area around the openings and grooves, forming an enclosed cavity for effective separation. The air-blowing axle facilitates the separation process while maintaining adherence of the second recording layer and adhesive layer to the base plate.

Another significant patent is the "Film layer separation device for multi-layer disks." This device utilizes a stamper made of magnetic materials to achieve film layer separation through electromagnetic tearing. It comprises a stamper supporter, an electromagnetic attraction device, and a base fixture. The electromagnetic attraction device is designed to distribute the electromagnetic force evenly across the stamper, preventing localized stress during the tearing process.

Career Highlights

Rong-Chang Ma is affiliated with the Industrial Technology Research Institute, where he continues to innovate in optical disc technology. His work has contributed to advancements in manufacturing techniques that enhance the efficiency and quality of multi-layer optical discs.

Collaborations

He has collaborated with notable coworkers, including Yu-Hsiu Chang and Li-Te Kuo, who have also contributed to the field of optical technology.

Conclusion

Rong-Chang Ma's inventions reflect his dedication to advancing optical disc technology. His patents demonstrate innovative approaches to manufacturing processes that are crucial for the development of multi-layer optical discs.

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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