Fujisawa, Japan

Masahiro Nobutomo

This inventor holds 2 USPTO granted patents. Top assignee: Nsk Corporation. Active years: 2014-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Nobutomo. Retrieved from https://idiyas.com/inventor/masahiro-nobutomo-nyp7b1mn

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 4.8

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Maebashi, JP (2014)
  • Fujisawa, JP (2020)

Company Filing History:


Years Active: 2014-2020

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Masahiro Nobutomo: Innovator in Screw Shaft Technology

Introduction

Masahiro Nobutomo is a prominent inventor based in Fujisawa, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of screw shaft technology. With a total of 2 patents to his name, Nobutomo continues to push the boundaries of innovation.

Latest Patents

Nobutomo's latest patents include a screw shaft and a ball screw device. The screw shaft is designed for use in a ball screw device, featuring a cylindrical body manufactured through a filament winding method or a sheet winding method. This innovative design includes a spiral member fixed to the outer surface of the cylindrical body, which forms a thread groove. The ball screw device aims to minimize dynamic friction torque, even when the nut is contracted due to cooling. It incorporates a cooling section that enhances the cooling effect while maintaining machining efficiency and reducing pressure loss. The design also features a unique arrangement of balls that ensures optimal preload and contact.

Career Highlights

Nobutomo is currently employed at NSK Corporation, a leading company in the field of motion and control technologies. His work at NSK has allowed him to focus on advancing screw shaft technology and improving the performance of ball screw devices.

Collaborations

Throughout his career, Nobutomo has collaborated with talented individuals such as Yutaka Nagai and Kazuhito Yamamoto. These collaborations have contributed to the successful development of his innovative technologies.

Conclusion

Masahiro Nobutomo is a dedicated inventor whose work in screw shaft technology has made a significant impact in the field of mechanical engineering. His innovative patents and collaborations continue to inspire advancements in this area.

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]
Loading…