Tokyo, Japan

Hiroyuki Matsuyama

This inventor holds 9 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: Pola Chemical Industries, Inc., Nippon Steel & Sumikin Stainless Steel Corporation, Sony Corporation. Active years: 1991-2016.

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

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

USPTO Granted Patents = 9 

% Patents Active = 88.9

 

Average Co-Inventor Count = 2.2

ph-index = 4

Forward Citations = 91(Granted Patents)


Location History:

  • Osaka, JP (2014)
  • Tokyo, JP (1991 - 2016)

Company Filing History:


Years Active: 1991-2016

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9 patents (USPTO):Explore Patents

Title: The Innovations of Hiroyuki Matsuyama

Introduction

Hiroyuki Matsuyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced stainless steel and semiconductor processing techniques. With a total of nine patents to his name, Matsuyama's work has had a considerable impact on various industries.

Latest Patents

One of Matsuyama's latest patents is for a high purity ferritic stainless steel sheet that excels in corrosion resistance and anti-glare properties. This innovative alloy-saving type steel sheet contains specific percentages of carbon, silicon, manganese, phosphorus, sulfur, chromium, nitrogen, aluminum, and tin, with a balance of iron and unavoidable impurities. The surface film of this steel sheet is designed to enhance its performance, featuring a unique composition that improves its durability and functionality. Another notable patent involves a method for removing the oxide film formed on the surface of silicon wafers. This method includes a series of steps that utilize a vapor-phase etching apparatus to effectively clean the silicon wafer, ensuring optimal performance in semiconductor applications.

Career Highlights

Throughout his career, Matsuyama has worked with reputable companies such as Pola Chemical Industries, Inc. and Nippon Steel & Sumikin Stainless Steel Corporation. His experience in these organizations has allowed him to refine his expertise in materials engineering and innovation.

Collaborations

Matsuyama has collaborated with notable colleagues, including Hirofumi Katada and Masaharu Hatano. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Hiroyuki Matsuyama's contributions to the field of materials science and semiconductor processing are noteworthy. His innovative patents and collaborations reflect his dedication to advancing technology and improving industrial applications.

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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