Tokyo, Japan

Koji Sumi

This inventor holds 1 USPTO granted patent. Top assignee: Tokyo Electron Limited. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Sumi. Retrieved from https://idiyas.com/inventor/koji-sumi-4ys8bkz6

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Koji Sumi: Innovator in Ion Implantation Technology

Introduction

Koji Sumi is a prominent inventor based in Tokyo, Japan. He is known for his contributions to the field of ion implantation technology. His innovative approach has led to advancements that enhance the efficiency and cleanliness of semiconductor manufacturing processes.

Latest Patents

Koji Sumi holds a patent for an ion implantation device. This device is characterized by its unique design, which allows for the supply of source gas to an ion source from a gas cylinder located externally. This innovation helps maintain the cleanliness of the clean room by reducing the frequency of gas cylinder exchanges. His patent is a significant contribution to the semiconductor industry.

Career Highlights

Sumi is associated with Tokyo Electron Limited, a leading company in the semiconductor manufacturing equipment sector. His work at the company has positioned him as a key player in the development of advanced technologies that support the industry's growth.

Collaborations

Throughout his career, Koji Sumi has collaborated with notable colleagues, including Shigeru Sagami and Hisashi Kondo. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Koji Sumi's contributions to ion implantation technology exemplify the impact of innovative thinking in the semiconductor industry. His patent and work at Tokyo Electron Limited highlight his role as a significant inventor in this field.

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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