Hiroshima, Japan

Koji Hadama

This inventor holds 1 USPTO granted patent. Top assignee: Mazda Motor Corporation. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Hadama. Retrieved from https://idiyas.com/inventor/koji-hadama

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: Koji Hadama: Innovator in Engine Supercharging Technology

Introduction

Koji Hadama is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of automotive engineering, particularly in the area of engine supercharging technology. His innovative approach has led to the development of a unique supercharger design that enhances engine performance.

Latest Patents

Hadama holds a patent for an engine supercharger, which is designed to reduce the size of the supercharger while allowing exhaust gas to be introduced smoothly into a turbine scroll. The patent details a turbine that includes a turbine lead-in route for exhaust gas, a turbine scroll for swirling the gas, and a wastegate passage to bypass the gas around the turbine scroll. This innovative design features a throat portion with a tapered downstream section, optimizing the efficiency of the supercharger.

Career Highlights

Koji Hadama is currently employed at Mazda Motor Corporation, where he continues to work on advanced automotive technologies. His expertise in engine design and supercharging has positioned him as a key figure in the development of high-performance vehicles.

Collaborations

Throughout his career, Hadama has collaborated with talented colleagues such as Yoshiyuki Uehane and Junji Umemura. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Koji Hadama's contributions to engine supercharging technology exemplify the spirit of innovation in the automotive industry. His patent for a compact and efficient supercharger showcases his commitment to enhancing engine performance.

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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