Anjo, Japan

Keishi Kobata

This inventor holds 5 USPTO granted patents and 7 published patent applications. Top assignees: Jtekt Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 2015-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keishi Kobata. Retrieved from https://idiyas.com/inventor/keishi-kobata

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 80.0

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2015-2023

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5 patents (USPTO):Explore Patents

Title: Keishi Kobata: Innovator in Constant-Velocity Joint Technology

Introduction

Keishi Kobata is a notable inventor based in Anjo, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of constant-velocity joints. With a total of 5 patents to his name, Kobata's work has had a lasting impact on automotive technology.

Latest Patents

Kobata's latest patents include innovative designs for tripod constant-velocity joints and standard constant-velocity joints. The tripod constant-velocity joint features an inner ring with three trunnions, roller units supported by these trunnions, and an outer ring that houses the roller units. Each roller unit is designed with an inner roller that contacts a convex outer-circumferential surface of the corresponding trunnion, ensuring smooth operation. The constant velocity joint includes an outer joint member with a raceway groove, an inner joint member with a leg shaft, and a roller that rolls on the raceway groove, supported by a needle bearing.

Career Highlights

Throughout his career, Kobata has worked with prominent companies such as JTEKT Corporation and Toyota Motor Corporation. His experience in these leading automotive firms has allowed him to refine his skills and contribute to groundbreaking technologies in the industry.

Collaborations

Kobata has collaborated with talented individuals in his field, including Koichiro Mizuno and Yukinobu Nishiyama. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Keishi Kobata's contributions to the field of constant-velocity joints exemplify his dedication to innovation and engineering excellence. His patents continue to influence the automotive industry, showcasing the importance of inventive minds in advancing technology.

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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