Kanagawa, Japan

Akiyoshi Yamaguchi

This inventor holds 2 USPTO granted patents. Top assignee: Nsk Corporation. Active years: 2001-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akiyoshi Yamaguchi. Retrieved from https://idiyas.com/inventor/akiyoshi-yamaguchi-akyod2ua

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 = 6.0

ph-index = 2

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2001-2002

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2 patents (USPTO):Explore Patents

Title: Akiyoshi Yamaguchi: Innovator in Roller Bearing Technology

Introduction

Akiyoshi Yamaguchi is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of roller bearing technology, holding a total of 2 patents. His work focuses on improving the design and functionality of roller cages used in roller bearings.

Latest Patents

Yamaguchi's latest patents include a "Method of making roller cage for roller bearing" and a "Roller cage for roller bearing." Both patents describe a roller cage made of metal that holds rollers within a roller bearing. The design features separation bars that define multiple window holes along the bearing's peripheral direction, ensuring a constant interval between them. Each separation bar includes a contact surface formed by press-molding, which interacts with the rolling surface of the roller. Additionally, an expansion portion extends radially at the other end, which is not subjected to press-molding.

Career Highlights

Akiyoshi Yamaguchi is associated with NSK Corporation, a leading company in the manufacturing of bearings and precision machinery. His innovative designs have contributed to the advancement of roller bearing technology, enhancing performance and reliability in various applications.

Collaborations

Yamaguchi has collaborated with notable coworkers, including Akiyoshi Honda and Masahide Matsubara. Their combined expertise has fostered a creative environment that promotes innovation in their field.

Conclusion

Akiyoshi Yamaguchi's contributions to roller bearing technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in mechanical engineering and design.

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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