Toyota, Japan

Hirokazu Kurihara

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Kurihara. Retrieved from https://idiyas.com/inventor/hirokazu-kurihara-tybshl7r

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 = 2.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 2007

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1 patent (USPTO):Explore Patents

Title: Hirokazu Kurihara: Innovator in Internal Combustion Engine Technology

Introduction

Hirokazu Kurihara is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of internal combustion engines, showcasing his innovative spirit and technical expertise. His work has implications for automotive engineering and efficiency.

Latest Patents

Kurihara holds a patent for a multi-cylinder internal combustion engine. This innovative design features a unique firing sequence where the seventh cylinder shares an exhaust manifold with the first cylinder. The seventh cylinder is fired at a predetermined interval after the first cylinder, optimizing performance and efficiency. The exhaust camshaft is equipped with two distinct cams, one for the first cylinder and another for the seventh. This design allows for a valve overlap period that enhances the engine's operational efficiency.

Career Highlights

Hirokazu Kurihara has dedicated his career to advancing automotive technology at Toyota Jidosha Kabushiki Kaisha. His work has been instrumental in developing more efficient engine designs that meet modern performance standards. His innovative approach has earned him recognition within the automotive industry.

Collaborations

Kurihara has collaborated with fellow engineer Yoshihiro Miyaji, working together to push the boundaries of engine technology. Their combined expertise has led to advancements that benefit the automotive sector.

Conclusion

Hirokazu Kurihara's contributions to internal combustion engine technology exemplify his innovative mindset and dedication to engineering excellence. His patent and collaborative efforts continue to influence the automotive industry positively.

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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