Kawasaki, Japan

Seiji Imamura

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignees: Fuji Electric Co., Ltd., Fuji Electric Fa Components & Systems Co., Ltd., Fuji Electric Corporate Research and Developement Ltd.. Active years: 1985-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Imamura. Retrieved from https://idiyas.com/inventor/seiji-imamura

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


% Patents Active = 42.9


Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 121(Granted Patents)


Location History:

  • Kanagawa, JP (1985 - 1988)
  • Kawasaki, JP (2004 - 2016)

Company Filing History:


Years Active: 1985-2016

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7 patents (USPTO):Explore Patents

Title: Seiji Imamura: Innovator in Electromagnetic Contactor Technology

Introduction

Seiji Imamura is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of electromagnetic contactors, holding a total of 7 patents. His innovative approaches have led to advancements in manufacturing methods and designs that enhance the efficiency and reliability of electromagnetic contactors.

Latest Patents

Imamura's latest patents include a method for manufacturing electromagnetic contactors. This method involves forming an arc extinguishing chamber connection portion by simultaneously brazing a fixed terminal and a pipe that penetrates and is fixed to a tub-shaped arc extinguishing chamber. Additionally, it includes a step of forming a cap connection portion with a flange extending outward from the open end of a bottomed tubular cap. Another notable patent describes an electromagnetic contactor that features a base plate with an aperture hole, an arc extinguishing chamber, and a bottomed tubular cap. The design ensures that the arc extinguishing chamber connection portion and the cap connection portion communicate effectively through the base plate's aperture hole.

Career Highlights

Throughout his career, Seiji Imamura has worked with notable companies such as Fuji Electric Co., Ltd. and Fuji Electric FA Components & Systems Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the development of cutting-edge technologies in the field of electrical components.

Collaborations

Imamura has collaborated with talented individuals in his field, including Kouichi Okamoto and Taku Ogawa. These partnerships have fostered a creative environment that has led to innovative solutions and advancements in electromagnetic technology.

Conclusion

Seiji Imamura's contributions to the field of electromagnetic contactors demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a dedication to improving electrical systems. His work continues to influence the industry and inspire future inventors.

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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