Hitachinaka, Japan

Koji Numakura


Average Co-Inventor Count = 1.7

ph-index = 1


Company Filing History:


Years Active: 2024-2025

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2 patents (USPTO):Explore Patents

Title: The Innovative Genius of Koji Numakura

Introduction

Koji Numakura, an accomplished inventor based in Hitachinaka, Japan, has made significant contributions to the field of engineering, specifically in the design and manufacturing of ball screws. His innovative approach has led to advancements that enhance the performance and durability of power steering devices.

Latest Patents

Koji Numakura holds a patent for a groundbreaking invention that includes a ball screw, a method for manufacturing a ball screw, a power steering device, and a method for manufacturing the power steering device. The core objective of this invention is to develop a ball screw that integrates a screw shaft and nut, ensuring exceptional performance and increased durability. The patent details a unique structure involving a nut composed of a steel substrate with a female screw and a screw shaft crafted from a steel substrate with a matching male screw. A notable feature is the arrangement of multiple balls between the nut and screw shaft, each in contact with carburized layers that have differentiated carbon concentrations, enhancing the overall functionality.

Career Highlights

Throughout his career, Koji Numakura has dedicated his expertise to Hitachi Astemo Ltd., where he has worked alongside fellow innovator Hisamitsu Hatou. His contributions in the field have positioned him as a prominent figure in mechanical engineering and product innovation.

Collaborations

Working with Hisamitsu Hatou has allowed Koji to exchange ideas and foster a collaborative spirit that sparks creativity in their projects. Their partnership at Hitachi Astemo Ltd. has yielded substantial advancements in the automotive industry, particularly in power steering technologies.

Conclusion

Koji Numakura's inventive spirit has led to valuable developments in the realm of ball screws and power steering devices. His commitment to enhancing engineering solutions underscores the importance of innovation and collaboration within the industry. As technology continues to evolve, Numakura's contributions will undoubtedly influence future advancements in mechanical design.

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