Miyagi, Japan

Katsuyuki Koizumi

This inventor holds 20 USPTO granted patents and 3 published patent applications and 1 EPO patent, primarily in Plasma Processing. Top assignee: Tokyo Electron Limited. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyuki Koizumi. Retrieved from https://idiyas.com/inventor/katsuyuki-koizumi

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

USPTO Granted Patents = 20 

% Patents Active = 95.0


Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 53(Granted Patents)


Location History:

  • Yamanashi-ken, JP (2009)
  • Kurokawa-gun Miyagi, JP (2023)
  • Miyagi, JP (2019 - 2024)

Company Filing History:


Years Active: 2009-2025

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Areas of Expertise:
Plasma Processing Apparatus
Substrate Support
Temperature Control
Heat Exchange Medium
Electrostatic Chuck
Thermal Regulator
Placing Table
Stage Apparatus
Substrate Transporting
Vacuum Processing
Heater Power Feeding
Charging Suppression
20 patents (USPTO):Explore Patents

Title: Innovations by Katsuyuki Koizumi in Plasma Processing Technology

Introduction

Katsuyuki Koizumi, a prolific inventor based in Miyagi, Japan, has made significant contributions to the field of plasma processing technology. With a remarkable portfolio consisting of 19 patents, Koizumi's work has paved the way for advancements in substrate support and processing apparatuses, critical for various high-tech applications.

Latest Patents

Among his latest innovations is the “Substrate Support and Plasma Processing Apparatus.” This invention features a unique design that includes a first region for holding substrates, complemented by a second region that houses an edge ring. The system is equipped with two electrodes: the first electrode receiving an electrical bias in the first region and the second electrode extending beneath the first to face it. This innovative structure enhances the efficiency and effectiveness of plasma processing, which is vital in manufacturing and research environments.

Career Highlights

Katsuyuki Koizumi is currently affiliated with Tokyo Electron Limited, a leading company in the semiconductor and electronics manufacturing industry. His work has played a crucial role in developing technologies that are integral to modern manufacturing processes, showcasing his dedication to innovation.

Collaborations

Throughout his career, Koizumi has collaborated with esteemed colleagues such as Dai Kitagawa and Daisuke Hayashi. These partnerships not only reflect his ability to work within a team but also highlight the collaborative spirit that drives innovation in cutting-edge technology sectors.

Conclusion

In summary, Katsuyuki Koizumi stands out as a vital figure in the realm of plasma processing, with his patents significantly influencing the industry. His latest inventions continue to advance technology, and his work at Tokyo Electron Limited assures that he will remain at the forefront of innovation in the years to come.

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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