Hiroshima, Japan

Hiroshi Nakatsuka

This inventor holds 5 USPTO granted patents. Top assignees: Mazda Motor Corporation, Mazda Motor Corrporation. Active years: 1990-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Nakatsuka. Retrieved from https://idiyas.com/inventor/hiroshi-nakatsuka-e92ungwo

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 = 2.5

ph-index = 5

Forward Citations = 159(Granted Patents)


Company Filing History:


Years Active: 1990-1993

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5 patents (USPTO):Explore Patents

Title: Hiroshi Nakatsuka: Innovator in Automotive Engineering

Introduction

Hiroshi Nakatsuka is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of automotive engineering, holding a total of 5 patents. His innovative designs have enhanced vehicle performance and safety.

Latest Patents

One of Nakatsuka's latest patents is an exhaust system for automotive engines. This dual-type exhaust system is designed for automobiles with an internal combustion engine featuring transversely mounted front and rear rows of cylinders. The system includes two exhaust pipe assemblies that extend from the front and rear rows of cylinders toward the back of the car body. These assemblies are arranged side by side in a space formed in the floor panel, with catalytic converters offset in a lengthwise direction to ensure they are arranged in a straight line within the space.

Another notable patent is a steering system for vehicles. This system incorporates a tilt mechanism that allows for height adjustment of the steering wheel. The steering wheel can be tilted through a larger angular range while the vehicle is parked, but it is restricted from being tilted out of a smaller angular range while the vehicle is in motion, enhancing driver safety.

Career Highlights

Hiroshi Nakatsuka has worked with notable companies in the automotive industry, including Mazda Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in vehicle technology.

Collaborations

Throughout his career, Nakatsuka has collaborated with talented individuals such as Isao Hirashima and Masatoshi Takayama. These partnerships have fostered a creative environment that has led to the development of groundbreaking automotive technologies.

Conclusion

Hiroshi Nakatsuka's contributions to automotive engineering through his patents and collaborations have made a lasting impact on the industry. His innovative spirit continues to inspire advancements in vehicle design and functionality.

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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