Fujisawa, Japan

Norikazu Kitagawa

This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignee: Nsk Corporation. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norikazu Kitagawa. Retrieved from https://idiyas.com/inventor/norikazu-kitagawa

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

Calculating rank
USPTO Granted Patents = 1 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Profile of Inventor Norikazu Kitagawa

Introduction: Norikazu Kitagawa is an innovative inventor located in Fujisawa, Japan, known for his contributions to the field of engineering and bearing technology. His work has led to the development of a distinct patent that enhances the performance of rolling bearings, showcasing his expertise and commitment to innovation.

Latest Patents: Norikazu Kitagawa holds one significant patent for a rolling-bearing unit. This innovative unit features a pair of bearings designed with a unique approach to tolerances. Specifically, the tolerance range of radial clearance or contact angles of the ball bearings is divided into multiple divisions. A pair of ball bearings is selected from the same division, and a pre-load, determined according to the division, is applied to the selected pair during installation in the unit. This method improves the performance and reliability of rolling bearings in various applications.

Career Highlights: Kitagawa is currently associated with NSK Corporation, a leading company in bearing manufacturing and technology. His role at NSK Corporation allows him to further explore advancements in bearing technologies and contribute valuable insights to the field.

Collaborations: Throughout his career, Norikazu Kitagawa has worked alongside knowledgeable professionals such as Hiromitsu Muraki and Norihiro Aoki. Their collaborative efforts have contributed to innovative solutions and advancements in bearing technology.

Conclusion: Norikazu Kitagawa is a recognized inventor who has made notable contributions to the field of engineering, specifically in rolling bearing technology. Through his patent and collaborative efforts, he continues to influence the industry, demonstrating the importance of innovation and teamwork in advancing engineering solutions.

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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