Amagasaki, Japan

Seiji Matsuyama

This inventor holds 17 USPTO granted patents and 1 EPO patent. Top assignee: Tokyo Electron Limited. Active years: 2005-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Matsuyama. Retrieved from https://idiyas.com/inventor/seiji-matsuyama

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


% Patents Active = 11.8


Average Co-Inventor Count = 5.2

ph-index = 4

Forward Citations = 58(Granted Patents)


Location History:

  • Nirasaki, JP (2005 - 2007)
  • Amagasaki, JP (2007 - 2011)
  • Minami-ku, JP (2010 - 2011)
  • Kyoto, JP (2007 - 2012)

Company Filing History:


Years Active: 2005-2012

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17 patents (USPTO):Explore Patents

Title: A Look into the Innovations of Seiji Matsuyama

Introduction

Seiji Matsuyama, a prominent inventor located in Amagasaki, Japan, has made significant contributions to the field of semiconductor technology. With a total of 17 patents to his name, Matsuyama is known for his innovative approaches in improving the performance and quality of electronic materials.

Latest Patents

Among his latest inventions is a Plasma Processing Method, which enhances the nitridation process by employing plasma generated through a microwave. This method notably involves intermittently supplying microwave energy to a substrate with an oxide film. By controlling ion bombardment and diffusion velocity of nitride species, the process effectively increases nitrogen concentration within the oxynitride film. The outcome is a superior quality oxynitride film that minimizes leakage current, boosts operating speed, and enhances NBTI resistance.

Another notable patent is the Method of Modifying Insulating Film. This invention combines plasma treatment with thermal annealing to enhance the characteristics of insulating films. It addresses the detrimental effects caused by carbon, suboxides, and dangling bonds by improving the material's stability and performance.

Career Highlights

Seiji Matsuyama currently works for Tokyo Electron Limited, a leading company in the semiconductor manufacturing industry. Throughout his career, he has played a pivotal role in advancing semiconductor technologies, and his inventions have made significant impacts in the field.

Collaborations

Matsuyama collaborates with talented coworkers including Takuya Sugawara and Toshio Nakanishi. Together, they strive to develop innovative solutions that push the boundaries of semiconductor technology.

Conclusion

In conclusion, Seiji Matsuyama exemplifies the spirit of innovation through his inventive patents and dedicated teamwork. His contributions continue to foster advancements in semiconductor technology, showcasing the importance of innovation in today’s rapidly evolving technological landscape.

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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