Osaka, Japan

Katsumasa Hironaka

This inventor holds 1 USPTO granted patent. Top assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Sumitomo Metal Industries, Inc.. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumasa Hironaka. Retrieved from https://idiyas.com/inventor/katsumasa-hironaka

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 10.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Innovations by Katsumasa Hironaka

Introduction

Katsumasa Hironaka is a notable inventor based in Osaka, Japan. He is recognized for his contributions to the field of engineering, particularly in the area of machining hollow cylindrical workpieces. His innovative approach has led to the development of a unique method that enhances precision in manufacturing processes.

Latest Patents

Hironaka holds a patent for a method of centering hollow cylindrical workpieces. This method involves measuring the outside and inside diameters and contours of the workpiece using specialized measuring instruments. The measurements are input into an electronic computer, which calculates the real center of the workpiece, taking into account any deflections and errors. This innovation allows for precise machining allowances, ensuring that the final product meets desired specifications. He has 1 patent to his name.

Career Highlights

Throughout his career, Hironaka has worked with prominent companies such as Mitsubishi Jukogyo Kabushiki Kaisha and Sumitomo Metal Industries, Inc. His experience in these organizations has contributed significantly to his expertise in engineering and innovation.

Collaborations

Hironaka has collaborated with notable colleagues, including Kazuto Nagata and Hiroaki Himeno. These partnerships have fostered a creative environment that has led to advancements in their respective fields.

Conclusion

Katsumasa Hironaka's innovative methods and contributions to engineering exemplify the importance of precision in manufacturing. His work continues to influence the industry, showcasing the impact of dedicated inventors on technological advancements.

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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