Kariya, Japan

Shigeru Yoshiyama

This inventor holds 24 USPTO granted patents and 1 published patent application, primarily in Electric Motor Control. Top assignees: Denso Corporation, Nippon Soken, Inc., Toyota Jidosha Kabushiki Kaisha. Active years: 1982-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Yoshiyama. Retrieved from https://idiyas.com/inventor/shigeru-yoshiyama

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

USPTO Granted Patents = 24 

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 154(Granted Patents)


Company Filing History:


Years Active: 1982-2014

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Areas of Expertise:
Rotary Actuator
Shift-By-Wire
Position Detection
Motor Control
Electric Motor
Synchronous Motor
Valve Lift Controller
EGR Apparatus
Rotary Electric Machine
Reluctance Motor
Electromagnetic Valve
24 patents (USPTO):Explore Patents

Title: Shigeru Yoshiyama: A Pioneer in Rotary Actuators and Shift-by-Wire Systems

Introduction

Shigeru Yoshiyama, an innovative inventor based in Kariya, Japan, has made significant contributions to the fields of automotive technology with a remarkable portfolio of 24 patents. His work primarily focuses on advancements in rotary actuators and shift-by-wire systems, which are crucial for modern vehicle automation and efficiency.

Latest Patents

Among Yoshiyama's latest innovations is a sophisticated rotary actuator. This invention features a sun gear that is supported by an eccentric portion of a rotor via a bearing, allowing it to rotate eccentrically relative to the rotor axis. It comprises a ring gear with inner teeth that mesh with the outer teeth of the sun gear, along with an output shaft positioned adjacent to the sun gear. The design ensures that rotation is effectively transferred from the sun gear to the output shaft, thanks to its uniquely fitted components. Additionally, he has developed a shift-by-wire (SBW) system that integrates a capacitor for storing electric power. This system is engineered to manage the transition of an automatic transmission's shift range in the event of a power supply anomaly, ensuring seamless control in all situations.

Career Highlights

Throughout his career, Shigeru Yoshiyama has been associated with notable companies, including Denso Corporation and Nippon Soken, Inc. His work in these organizations has been pivotal in advancing automotive technologies that enhance vehicle performance and safety.

Collaborations

Yoshiyama has had the opportunity to collaborate with talented individuals, including Kiyoshi Kimura and Taku Itoh. Their combined expertise has played an essential role in developing and refining many of the innovative technologies that are now being utilized in the automotive industry.

Conclusion

Shigeru Yoshiyama stands out as a leading inventor whose work in rotary actuators and shift-by-wire systems continues to drive innovation in automotive technology. With a solid foundation of patents and collaborative efforts, Yoshiyama's contributions are shaping the future of vehicle design, making significant strides toward more efficient and automated driving experiences.

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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