Fuji, Japan

Ryo Shirosaki

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignee: Unipres Corporation. Active years: 2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryo Shirosaki. Retrieved from https://idiyas.com/inventor/ryo-shirosaki

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 6.2

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2022

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2 patents (USPTO):Explore Patents

Title: Ryo Shirosaki: Innovator in Electric Vehicle Transmission Technology

Introduction

Ryo Shirosaki is a prominent inventor based in Fuji, Japan. He has made significant contributions to the field of electric vehicle technology, particularly in the development of advanced transmission systems. With a total of 2 patents, Shirosaki's work focuses on enhancing the efficiency and performance of electrically driven vehicles.

Latest Patents

Shirosaki's latest patents include a two-stage transmission for electrically driven vehicles and a two-speed transmission for electric driving vehicles. The two-stage transmission features a dog clutch and a friction clutch designed to prevent torque drops during gear shifts. This innovative design incorporates a planetary gear mechanism and a ratchet-type one-way clutch, allowing for smooth transitions between gears without transmission shock. The two-speed transmission, on the other hand, utilizes a single actuator and a multi-plate friction clutch to ensure a seamless transfer of power from the input axis to the output axis, further improving the driving experience.

Career Highlights

Ryo Shirosaki is currently employed at Unipres Corporation, where he continues to push the boundaries of electric vehicle technology. His work has garnered attention for its practical applications and potential to revolutionize the automotive industry.

Collaborations

Shirosaki collaborates with talented individuals such as Ryosuke Suzuki and Hideyuki Nezu, contributing to a dynamic team focused on innovation in vehicle technology.

Conclusion

Ryo Shirosaki's contributions to electric vehicle transmission technology exemplify the spirit of innovation. His patents reflect a commitment to improving vehicle performance and efficiency, making him a notable figure 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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