Himeji, Japan

Koji Arima

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Arima. Retrieved from https://idiyas.com/inventor/koji-arima-wj1c82ez

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 = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1989

Loading Chart...
1 patent (USPTO):Explore Patents

Title: The Innovations of Koji Arima

Introduction

Koji Arima is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of electrical engineering, particularly in the design of starter motors. His innovative approach has led to the development of a unique commutator that enhances the efficiency and reliability of starter motors.

Latest Patents

Koji Arima holds a patent for a commutator designed for a starter motor. This commutator comprises a plurality of segments electrically connected to armature coils, an insert member fitted to an armature shaft, and a glass-fiber-reinforced phenol resin molded to integrate the segments with the insert member. Notably, mica particles in a range of 5%-10% by weight are uniformly contained in the resin, which contributes to the commutator's performance.

Career Highlights

Arima is associated with Mitsubishi Electric Corporation, where he has been instrumental in advancing technologies related to electrical components. His work has not only improved product performance but has also set new standards in the industry.

Collaborations

Throughout his career, Koji Arima has collaborated with talented individuals such as Takasi Yamamoto and Tetsuo Yagi. These partnerships have fostered innovation and have led to the successful development of various projects.

Conclusion

Koji Arima's contributions to the field of electrical engineering, particularly through his patented commutator design, highlight his role as a significant inventor. His work continues to influence the industry and improve the functionality of starter motors.

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]
Loading…