Tomi, Japan

Koji Usui

This inventor holds 8 USPTO granted patents and 2 published patent applications and 13 EPO patents. Top assignee: Hitachi Astemo Ltd.. Active years: 2022-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Usui. Retrieved from https://idiyas.com/inventor/koji-usui-dxj3e46a

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

USPTO Granted Patents = 8 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.4

ph-index = 1


Company Filing History:


Years Active: 2022-2026

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8 patents (USPTO):Explore Patents

Title: Koji Usui - Innovator in Electric Actuator Technology

Introduction

Koji Usui is a notable inventor based in Tomi, Japan, recognized for his contributions to electric actuator technology. With a total of 8 patents to his name, Usui has made significant advancements in the design and functionality of electric actuators.

Latest Patents

One of Usui's latest patents involves an innovative electric actuator that features an electric motor capable of rotating both forward and backward. This actuator includes a motion conversion mechanism designed to transform the motor's rotation into reciprocating linear motion of a screw shaft. The mechanism incorporates a nut that is rotationally driven by the motor, along with a screw shaft that can be threadedly inserted through the nut. A unique lubricant holding portion is formed on the inner periphery of the nut, which helps to prevent wear at the threaded engagement portion by ensuring sufficient lubrication. Another patent describes an electric actuator that utilizes grease as a lubricant, featuring a groove portion on the screw shaft's threads that holds grease. This design promotes lubrication through a tapered surface that drags the grease onto the threaded engagement portion, enhancing the actuator's performance.

Career Highlights

Throughout his career, Koji Usui has worked with prominent companies such as Hitachi Astemo Ltd. and Astemo, Ltd. His experience in these organizations has contributed to his expertise in developing advanced actuator technologies.

Collaborations

Usui has collaborated with talented individuals in the field, including Ryo Ueyama and Takenori Iso. Their teamwork has likely played a role in the successful development of innovative solutions in electric actuator technology.

Conclusion

Koji Usui's work in electric actuator technology showcases his inventive spirit and dedication to improving mechanical systems. His patents reflect a commitment to enhancing functionality and efficiency in electric actuators, making him a significant 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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