Tokyo, Japan

Jun Narushima

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Industrial Products, Ltd., Hitachi Mitsubishi Hydro Corporation, Hitachi, Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun Narushima. Retrieved from https://idiyas.com/inventor/jun-narushima-kdkuzy7q

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


% Patents Active = 100.0

Average Co-Inventor Count = 9.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Jun Narushima: Innovator in Adjustable Speed Generator Motor Systems

Introduction

Jun Narushima is a prominent inventor based in Tokyo, Japan. He is known for his innovative contributions to the field of electrical engineering, particularly in the development of adjustable speed generator motor systems. His work has significantly impacted the efficiency and stability of power generation systems.

Latest Patents

Narushima holds a patent for an "Adjustable Speed Generator Motor System with Full Power Converter." This invention features a system where two 3-level converters are connected back-to-back on the DC side. The system includes a mode that allows a fly-wheeling diode to conduct current independently for three phases based on current polarity. Additionally, it provides a mode for the diode to conduct current according to the magnitude relation of the absolute value of a 3-phase AC current. This innovative design enables the full power converter system to maintain stable operation.

Career Highlights

Throughout his career, Jun Narushima has worked with notable companies such as Hitachi and Mitsubishi Hydro Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in electrical engineering.

Collaborations

Narushima has collaborated with esteemed colleagues, including Akira Bando and Takahiko Kikui. Their joint efforts have furthered the development of innovative technologies in their field.

Conclusion

Jun Narushima's contributions to adjustable speed generator motor systems exemplify his dedication to innovation in electrical engineering. His patent and collaborations highlight his role as a key figure in advancing technology in this area.

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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