Gifu, Japan

Hironao Yamada

This inventor holds 1 USPTO granted patent. Top assignee: Denso Corporation. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironao Yamada. Retrieved from https://idiyas.com/inventor/hironao-yamada

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2003

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1 patent (USPTO):Explore Patents

Title: Hironao Yamada: Innovator in Hydraulic Systems

Introduction

Hironao Yamada is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of machine tools, particularly through his innovative designs that enhance operational efficiency. His work is characterized by a focus on hydraulic systems, which are essential in various industrial applications.

Latest Patents

Hironao Yamada holds a patent for a table feed system that utilizes a pulse drive of a hydraulic system. In this invention, a piston of a hydraulic cylinder is connected to a table, with an outflow valve and an inflow valve forming a pair that connects to the right and left hydraulic chambers, respectively. This design allows for controlled movement of the feed table, ensuring that the valve-opening periods are synchronized. As a result, the effective pressure remains stable, enabling smooth feed motion even when using common electromagnetic valves. This innovation demonstrates Yamada's ability to improve existing technologies while maintaining cost-effectiveness.

Career Highlights

Yamada is currently employed at Denso Corporation, a leading company in the automotive industry known for its advanced technology and engineering solutions. His role at Denso has allowed him to apply his inventive skills in a practical setting, contributing to the company's reputation for innovation.

Collaborations

Throughout his career, Hironao Yamada has collaborated with talented individuals such as Hiromichi Morita and Goshin Ohashi. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Hironao Yamada is a distinguished inventor whose work in hydraulic systems has made a significant impact on machine tool technology. His innovative approach and collaboration with other experts continue to drive advancements in the field.

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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