Kiryu, Japan

Satoru Negishi

This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignee: Mitsuba Corporation. Active years: 2008-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoru Negishi. Retrieved from https://idiyas.com/inventor/satoru-negishi

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 37(Granted Patents)


Company Filing History:


Years Active: 2008-2011

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3 patents (USPTO):Explore Patents

Title: Satoru Negishi: Innovator in Brushless Motor Technology

Introduction

Satoru Negishi is a prominent inventor based in Kiryu, Japan. He has made significant contributions to the field of electric rotary machines, particularly through his innovative designs in brushless motor technology. With a total of 3 patents to his name, Negishi continues to push the boundaries of engineering and design.

Latest Patents

Negishi's latest patents include a groundbreaking brushless motor design. This motor features rotor cores that are divided into multiple sections along the axial direction. It incorporates segment magnets secured to the outer circumferential surfaces of the rotor cores, along with magnet holders that are also secured to the rotor cores. Each rotor core is equipped with holder-positioning grooves for fitting holder arms, and bridge parts that correspond to these grooves. The design allows for efficient assembly of the rotor, enhancing the motor's performance.

Another notable patent is the magnet fixing structure for electric rotary machines. This innovation includes holder anchoring grooves on the outer periphery of a rotor core, which extend axially. Each holder arm, designed with a T-shaped cross-section, fits into these grooves. The structure allows for precise anchoring of magnets to the rotor core at a low cost, ensuring reliability and efficiency in operation.

Career Highlights

Satoru Negishi is currently employed at Mitsuba Corporation, where he applies his expertise in motor technology. His work has been instrumental in advancing the company's product offerings and enhancing their competitive edge in the market.

Collaborations

Negishi collaborates with talented coworkers, including Takeshi Yamazaki and Chikahumi Sugai. Together, they contribute to innovative projects that aim to revolutionize the electric motor industry.

Conclusion

Satoru Negishi's contributions to brushless motor technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a drive to improve electric rotary machines. Through his work at Mitsuba Corporation, he continues to influence the future of motor technology.

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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