Shizuoka, Japan

Tomonari Shiraishi

This inventor holds 3 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents. Top assignee: Yamaha Motor Electronics Co., Ltd.. Active years: 2016-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomonari Shiraishi. Retrieved from https://idiyas.com/inventor/tomonari-shiraishi

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

Calculating rank
USPTO Granted Patents = 3 

% Patents Active = 100.0


 

Average Co-Inventor Count = 3.6

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2016-2020

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3 patents (USPTO):Explore Patents

Title: Innovating Mobility: The Contributions of Tomonari Shiraishi

Introduction

Tomonari Shiraishi, based in Shizuoka, Japan, has made significant strides in the field of motor technology with a total of three patents to his name. As an inventor at Yamaha Motor Electronics Co., Ltd., Shiraishi's work focuses on enhancing the performance and efficiency of electric motors, which play a crucial role in modern mobility solutions.

Latest Patents

Shiraishi's latest innovations include a brushless motor and an electric bicycle equipped with this advanced motor technology. The brushless motor features a stator that incorporates teeth with constricted portions for coil winding, providing a unique design that enhances performance. The stator's tip end portions have confronting surfaces designed to face a rotor and possess a width greater than the constricted sections, optimizing the motor’s operation.

Another of his recent patents details a stator-fixed structure and driving unit. This design includes a stator housed within a tubular section and is secured by a bent wire rod that applies compressive force. The wire rod's innovative design includes alternating projections and depressions, which facilitates the stator's stability and rigidity within the housing. This innovation is indicative of Shiraishi's dedication to improving the products of Yamaha Motor Electronics through advanced engineering techniques.

Career Highlights

Throughout his career at Yamaha Motor Electronics Co., Ltd., Shiraishi has not only contributed to innovative motor technologies but has also become a respected figure in his field. His dedication to research and development positions him as a key player in the evolution of electric mobility solutions.

Collaborations

Tomonari Shiraishi collaborates with notable coworkers such as Toshihiko Nagata and Toshihide Ootani, bringing together diverse expertise that enhances the quality and innovation of their projects. This synergy among the team fosters an environment where groundbreaking ideas can flourish.

Conclusion

Tomonari Shiraishi's accomplishments in innovative motor technology exemplify the spirit of invention at Yamaha Motor Electronics Co., Ltd. His contributions are not only shaping the future of electric mobility but also inspiring a new generation of inventors to create more efficient and effective solutions for transportation challenges. With a focus on continuous improvement and collaboration, Shiraishi sets a standard for innovation in the industry.

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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