Fujisawa, Japan

Yoshiaki Katsuno

This inventor holds 12 USPTO granted patents and 5 published patent applications and 22 EPO patents. Top assignees: Nsk Corporation, Nippon Seiko Kabushiki Kaisha. Active years: 1989-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiaki Katsuno. Retrieved from https://idiyas.com/inventor/yoshiaki-katsuno

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

USPTO Granted Patents = 12 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Kanagawa, JP (2016)
  • Fujisawa, JP (1989 - 2021)

Company Filing History:


Years Active: 1989-2026

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12 patents (USPTO):Explore Patents

Title: Yoshiaki Katsuno: Innovator in Ball Bearing Technology

Introduction

Yoshiaki Katsuno is a prominent inventor based in Fujisawa, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the design and functionality of ball bearings. With a total of 12 patents to his name, Katsuno's work has had a lasting impact on various industries.

Latest Patents

Katsuno's latest patents include innovative designs for ball bearings and machine tool spindle devices. One of his notable inventions involves an angular ball bearing where the outer race features at least one diameter-directional hole that supplies lubricating oil. This design allows the lubricating oil to pass from the outer circumferential surface to the inner circumferential surface along the diameter direction. In a cross-section taken along the axial direction, the axial-directional position of a line extending through the central axis of the diameter-directional hole is strategically located between the intersection position of the retainer and the surface of the ball, enhancing the bearing's efficiency.

Another significant patent focuses on a ball bearing and main shaft device for machine tools. This invention ensures that the inner diameter side opening portions of a plurality of radial holes in the outer ring are positioned within a specific area formed by connecting the axial end portions of adjacent pockets of the retainer. This design optimizes the interaction between the radial holes and the ball, improving the overall performance of the machine tool.

Career Highlights

Throughout his career, Yoshiaki Katsuno has worked with notable companies such as NSK Corporation and Nippon Seiko Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in ball bearing technology.

Collaborations

Katsuno has collaborated with talented individuals in the field, including Kyohei Matsunaga and Ryosuke Amano. These partnerships have fostered innovation and have led to the development of several successful patents.

Conclusion

Yoshiaki Katsuno's contributions to ball bearing technology exemplify his dedication to innovation and engineering excellence. His patents continue to influence the industry, showcasing his expertise and commitment to advancing mechanical 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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