Urawa, Japan

Tsutomu Koinuma

This inventor holds 1 USPTO granted patent. Top assignees: Mitsubishi Corporation, Tokico, Ltd.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Koinuma. Retrieved from https://idiyas.com/inventor/tsutomu-koinuma-5tjxjvcl

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 = 6(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Tsutomu Koinuma: Innovator in Semiconductor Technology

Introduction

Tsutomu Koinuma is a notable inventor based in Urawa, Japan. He has made significant contributions to the field of semiconductor technology, particularly through his innovative patent related to impurity scavenging systems.

Latest Patents

Koinuma holds a patent for an impurity scavenging system designed to remove impurities from off-gases discharged from clean rooms in semiconductor production lines. This system includes a gas introduction line for processing gases, a scavenging unit for storing scavenging liquid, and a condenser for condensing vaporized liquid. The system also features a first pump, a liquid source, and a cleaning liquid line that connects to a drain. The design allows for selective connections between the condenser, the first pump, and the cleaning line, enhancing the efficiency of impurity removal.

Career Highlights

Throughout his career, Tsutomu Koinuma has worked with prominent companies such as Tokico, Ltd. and Mitsubishi Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Koinuma has collaborated with notable colleagues, including Hiroyuki Harada and Terufumi Iwata. These partnerships have likely fostered a creative environment that has led to advancements in their respective fields.

Conclusion

Tsutomu Koinuma's contributions to semiconductor technology through his innovative patent demonstrate his commitment to improving industry standards. His work continues to influence the field and showcases the importance of innovation in technology.

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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