Tokorozawa, Japan

Kenji Kushizaki

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Jtekt Corporation. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Kushizaki. Retrieved from https://idiyas.com/inventor/kenji-kushizaki

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2016-2025

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2 patents (USPTO):Explore Patents

Title: Kenji Kushizaki: Innovator in Differential Gear Technology

Introduction

Kenji Kushizaki is a notable inventor based in Tokorozawa, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of differential gear systems. With a total of 2 patents to his name, Kushizaki's work has had a considerable impact on automotive technology.

Latest Patents

Kushizaki's latest patents include innovative designs for differential gears. The first patent describes a differential gear that features a first connecting member and a second connecting member, both equipped with straight-spline protrusions. This design incorporates a first side gear and a second side gear, each with cylindrical portions coupled to their respective connecting members by helical splines. The unique structure of the side gears allows for enhanced performance in vehicle applications.

The second patent focuses on a vehicle differential gear that includes first and second pinion gears supported by a differential case. This design also features side gears that mesh with the pinion gears and are coupled to output shafts. Additionally, the patent outlines a system of washers that enhance the lubricating properties, ensuring smooth operation and longevity of the gear system.

Career Highlights

Kushizaki is currently employed at Jtekt Corporation, where he continues to innovate in the field of automotive technology. His work has been instrumental in advancing the efficiency and reliability of differential gears, which are crucial components in modern vehicles.

Collaborations

Throughout his career, Kushizaki has collaborated with talented colleagues such as Takuya Tsuda and Akinao Minegishi. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Kenji Kushizaki is a distinguished inventor whose contributions to differential gear technology have made a lasting impact on the automotive industry. His innovative designs and collaborative spirit continue to drive advancements in mechanical engineering.

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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