Hazu-gun, Japan

Ryuji Ishikawa

This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: Jtekt Corporation. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Ishikawa. Retrieved from https://idiyas.com/inventor/ryuji-ishikawa-m3y7exx1

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

USPTO Granted Patents = 1 


Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: Ryuji Ishikawa: Innovator in Motor Rotor Technology

Introduction

Ryuji Ishikawa is a notable inventor based in Hazu-gun, Japan. He has made significant contributions to the field of motor technology, particularly with his innovative designs that enhance the efficiency and functionality of motor rotors.

Latest Patents

Ishikawa holds a patent for a motor rotor that features magnet holding projections. This design includes a rotor yoke with multiple magnet fixing sections on its lateral surface. Segment magnets are fixed to these sections and extend in the axial direction of the rotor yoke. Additionally, the rotor yoke has projections at the boundary sections between adjacent magnet mounting sections, which protrude outward. Each projection bifurcates at the end to form a pair of end claws that lock onto the outer surface of the segment magnets. This innovative design improves the stability and performance of motor rotors.

Career Highlights

Ryuji Ishikawa is currently employed at Jtekt Corporation, where he continues to develop and refine motor technologies. His work has been instrumental in advancing the capabilities of electric motors, making them more efficient and reliable.

Collaborations

Ishikawa collaborates with talented colleagues, including Jiro Nakano and Toshiaki Murakami. Their combined expertise fosters a creative environment that drives innovation within their projects.

Conclusion

Ryuji Ishikawa's contributions to motor rotor technology exemplify the spirit of innovation. His patent and ongoing work at Jtekt Corporation highlight his commitment to advancing engineering solutions in the field.

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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