Hitachinaka, Japan

Hirotaka Nakai

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Hitachi Astemo Ltd., Hitachi Automotive Systems, Ltd.. Active years: 2016-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Nakai. Retrieved from https://idiyas.com/inventor/hirotaka-nakai

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


% Patents Active = 50.0


Average Co-Inventor Count = 4.2

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2016-2024

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4 patents (USPTO):Explore Patents

Title: The Innovations of Hirotaka Nakai

Introduction

Hirotaka Nakai, an accomplished inventor based in Hitachinaka, Japan, has made significant contributions to the field of automotive technology. With a total of four patents to his name, Nakai has developed innovative solutions that enhance the efficiency and control of high-pressure fuel systems in internal combustion engines.

Latest Patents

Among his latest inventions is a **Solenoid Valve Control Device**. This device is designed to detect the motion of a valve body in response to a drive command without requiring any additional special circuitry. The solenoid valve control device plays a crucial role in managing the opening and closing of a solenoid valve within an internal combustion engine system, which includes components such as a fuel pump, a solenoid valve for fuel intake, and a discharge valve.

Another notable patent is the **Control Device for High-Pressure Fuel Pump**. This innovative device addresses the challenge of noise generation in high-pressure fuel pumps, particularly by minimizing noise caused by an anchor colliding with a fixing core. The control device efficiently regulates a suction valve's operation, optimizing the energization timing with a focus on reducing the peak current application.

Career Highlights

Nakai's career has seen him work with prominent companies in the automotive sector, including Hitachi Automotive Systems, Ltd. and Hitachi Astemo Ltd. These experiences have allowed him to apply his inventive talents to real-world challenges, leading to advancements in fuel pump control technologies.

Collaborations

Throughout his career, Nakai has collaborated with esteemed colleagues such as Toshihiro Aono and Osamu Mukaihara. These partnerships have fostered an environment of creativity and innovation, enabling the development of cutting-edge solutions in automotive technology.

Conclusion

Hirotaka Nakai's contributions to the field of automotive innovation underscore the importance of continuous advancement in technology. His patents highlight a commitment to improving the efficiency and functionality of internal combustion engine systems, ensuring that he remains a key figure in the world of automotive engineering.

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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