Suita, Japan

Nagayuki Tsutsumi

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nagayuki Tsutsumi. Retrieved from https://idiyas.com/inventor/nagayuki-tsutsumi

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 = 2.0

ph-index = 1

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Nagayuki Tsutsumi: Innovator in Electrical Engineering

Introduction

Nagayuki Tsutsumi is a notable inventor based in Suita, Japan. He has made significant contributions to the field of electrical engineering, particularly in the design of substations. His innovative approach has led to the development of a unique patent that addresses critical aspects of electrical infrastructure.

Latest Patents

One of Tsutsumi's key inventions is a package substation in a tank with separate chambers. This invention involves a package substation where multiple elements that constitute the substation are housed within a tank. The elements are isolated by separator walls that create accommodation chambers. These chambers are filled with insulation fluids specifically designed for the elements contained within them. This innovative design enhances the efficiency and safety of electrical substations.

Career Highlights

Nagayuki Tsutsumi is associated with Mitsubishi Electric Corporation, a leading company in the electrical and electronic equipment industry. His work at Mitsubishi has allowed him to focus on advancing technologies that improve electrical systems and infrastructure. With a patent portfolio that includes 1 patent, Tsutsumi has established himself as a valuable contributor to the field.

Collaborations

Throughout his career, Tsutsumi has collaborated with various professionals, including his coworker Keiji Tsuruta. These collaborations have fostered an environment of innovation and have led to the development of advanced technologies in electrical engineering.

Conclusion

Nagayuki Tsutsumi's contributions to electrical engineering, particularly through his patented innovations, highlight his role as a significant inventor in the industry. His work continues to influence the design and functionality of electrical substations, showcasing the importance of innovation in this critical 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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