Ritto, Japan

Kenji Hamanaka

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Heavy Industries Limited. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Hamanaka. Retrieved from https://idiyas.com/inventor/kenji-hamanaka

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


Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Kenji Hamanaka: Innovator in Spindle Technology

Introduction

Kenji Hamanaka is a notable inventor based in Ritto, Japan. He has made significant contributions to the field of machine tool technology, particularly with his innovative spindle apparatus. His work is recognized for its simplicity and efficiency, which has implications for reducing power loss in machinery.

Latest Patents

Hamanaka holds a patent for a spindle apparatus that features a main spindle rotatably supported in a housing via bearings. This apparatus includes a helium circulation system that introduces helium, which is lower in density and fluid pressure than air, into a gap on the outer periphery of the main spindle. The helium is then discharged to the outside through a helium discharge port. This design allows the main spindle to rotate in a helium atmosphere, minimizing power loss and reducing motor power while also providing a cooling effect. He has 1 patent to his name.

Career Highlights

Kenji Hamanaka is associated with Mitsubishi Heavy Industries Limited, where he has contributed to advancements in machine tool technology. His innovative designs have helped improve the efficiency and performance of various industrial applications.

Collaborations

Hamanaka has worked alongside notable colleagues such as Akira Watanabe and Tetsuo Ichikizaki, contributing to a collaborative environment that fosters innovation and technological advancement.

Conclusion

Kenji Hamanaka's contributions to spindle technology exemplify the importance of innovation in the field of machine tools. His patented spindle apparatus showcases a blend of simplicity and efficiency, marking him as a significant figure in the industry.

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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