Hitachi, Japan

Yoshiharu Nakayama

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Hitachi, Ltd.. Active years: 1994-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiharu Nakayama. Retrieved from https://idiyas.com/inventor/yoshiharu-nakayama-e4ajiaxa

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 = 6.2

ph-index = 4

Forward Citations = 42(Granted Patents)


Company Filing History:


Years Active: 1994-2006

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4 patents (USPTO):Explore Patents

Title: The Innovations of Yoshiharu Nakayama

Introduction

Yoshiharu Nakayama is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of turbine technology, holding a total of 4 patents. His work focuses on improving the efficiency and performance of turbine blades.

Latest Patents

Among his latest patents, Nakayama has developed innovative designs for turbine blades and turbines. One of his patents describes a turbine blade where the pressure distribution curve of the blade's suction-side surface, excluding the leading edge and trailing edge portions, drops in two stages from the leading edge to the minimum pressure point. Another patent details a turbine moving blade that operates with a working fluid, featuring a blade profile designed to achieve a similar pressure distribution curve.

Career Highlights

Yoshiharu Nakayama has dedicated his career to advancing turbine technology. He is currently associated with Hitachi, Ltd., a leading company in the engineering and technology sector. His expertise in turbine design has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Nakayama has collaborated with notable colleagues, including Kiyoshi Segawa and Yoshio Shikano. These partnerships have fostered innovation and contributed to the development of cutting-edge turbine technologies.

Conclusion

Yoshiharu Nakayama's contributions to turbine technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the efficiency and design of turbine systems.

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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