Miyagi, Japan

Ryosuke Kumagai

This inventor holds 1 USPTO granted patent and 12 published patent applications. Top assignee: Tokyo Electron Limited. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryosuke Kumagai. Retrieved from https://idiyas.com/inventor/ryosuke-kumagai

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Ryosuke Kumagai: Innovator in Plasma Processing Technology

Introduction

Ryosuke Kumagai is a notable inventor based in Miyagi, Japan. He has made significant contributions to the field of plasma processing technology. His innovative work has led to the development of a unique patent that enhances the efficiency of plasma processing apparatuses.

Latest Patents

Kumagai holds a patent for a shower head electrode assembly and plasma processing apparatus. This invention features an electrode with multiple first gas flow paths and a surface exposed to plasma. Additionally, it includes a backing member that has several second gas flow paths communicating with the first gas flow paths. The design of the second gas flow paths is particularly noteworthy, as they are slit-shaped elongated holes. These holes are configured to have a longer length in the radial direction compared to the circumferential direction, optimizing the performance of the shower head electrode assembly. He has 1 patent to his name.

Career Highlights

Kumagai is currently employed at Tokyo Electron Limited, a leading company in the semiconductor and electronics manufacturing industry. His role at the company allows him to apply his expertise in plasma processing technology to develop advanced solutions for various applications.

Collaborations

Kumagai has worked alongside Fumiaki Ariyoshi, contributing to the advancement of their shared projects and innovations in the field.

Conclusion

Ryosuke Kumagai's contributions to plasma processing technology through his innovative patent demonstrate his commitment to advancing the industry. His work at Tokyo Electron Limited continues to influence the development of efficient plasma processing solutions.

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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