Tokyo, Japan

Eizi Narumi

This inventor holds 1 USPTO granted patent. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Sawafuji Electric Co., Ltd.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eizi Narumi. Retrieved from https://idiyas.com/inventor/eizi-narumi

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 = 40(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Eizi Narumi: Innovator in Automatic Voltage Regulation

Introduction

Eizi Narumi is a notable inventor based in Tokyo, Japan. He is recognized for his contributions to the field of electrical engineering, particularly in the development of automatic voltage regulating systems for brushless generators. His innovative approach has led to advancements that enhance the efficiency and reliability of power generation systems.

Latest Patents

Eizi Narumi holds a patent for an "Automatic Voltage Regulating System in Brushless Generator." This invention features a permanent magnet on the stator side of a main generator, which forms the field system of an exciter generator portion. The system includes an exciter generating coil on the rotor side, a rectifier for voltage rectification, and a field coil excited by the rectifier's output. The design incorporates a control coil and an automatic voltage regulating portion that detects the output voltage, ensuring that fluctuations are effectively managed.

Career Highlights

Throughout his career, Eizi Narumi has worked with prominent companies such as Sawafuji Electric Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute significantly to the field of electrical engineering.

Collaborations

Eizi Narumi has collaborated with notable colleagues, including Takato Kawamoto and Katsutoshi Tagami. These partnerships have fostered an environment of innovation and creativity, leading to advancements in their respective fields.

Conclusion

Eizi Narumi's work in automatic voltage regulation has made a significant impact on the efficiency of brushless generators. His innovative spirit and collaborative efforts continue to inspire advancements in electrical engineering.

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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