Kanagawa, Japan

Mitsuru Ishihara

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Borgwarner Inc.. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuru Ishihara. Retrieved from https://idiyas.com/inventor/mitsuru-ishihara-wn4fbzl3

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Mitsuru Ishihara: Innovator in Electric Motor Technology

Introduction

Mitsuru Ishihara is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of electric motor technology, particularly through his innovative designs and patents. His work has been instrumental in advancing the efficiency and functionality of electric motors.

Latest Patents

Mitsuru Ishihara holds a patent for a rotor assembly designed for electric motors. This rotor assembly includes a shaft, a lamination stack, a plurality of magnets, and pole pieces. The design features a first magnet positioned between the lamination stack and a first pole piece, with each pole piece having an outer pole surface. Additionally, the rotor assembly incorporates a sleeve that retains the pole pieces in relation to the lamination stack, along with spacers that help reduce flux leakage of the first magnet. This innovative design enhances the performance of electric motors.

Career Highlights

Mitsuru Ishihara is currently employed at BorgWarner Inc., where he continues to develop cutting-edge technologies in the automotive sector. His expertise in electric motor design has positioned him as a valuable asset to the company and the industry as a whole.

Collaborations

Throughout his career, Mitsuru has collaborated with talented individuals such as Andreas Wp Mayer and Calahan B Campton. These collaborations have fostered an environment of innovation and creativity, leading to advancements in electric motor technology.

Conclusion

Mitsuru Ishihara's contributions to electric motor technology through his patent and work at BorgWarner Inc. highlight his role as a key innovator in the field. His designs not only improve motor efficiency but also pave the way for future advancements in electric motor applications.

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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