Nisshin, Japan

Hirokazu Kato

This inventor holds 20 USPTO granted patents and 6 EPO patents, primarily in Vehicle Control Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha, Toyota Motor Europe Nv/sa. Active years: 2014-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Kato. Retrieved from https://idiyas.com/inventor/hirokazu-kato-gf1rbqgy

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

Calculating rank

% Patents Active = 70.0


Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Susono, JP (2014 - 2017)
  • Nissin, JP (2017 - 2021)
  • Nisshin, JP (2017 - 2022)

Company Filing History:


Years Active: 2014-2022

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Areas of Expertise:
Engine System
Hybrid Vehicle
Cooling Apparatus
Flow Passage Device
Negative Pressure Detection
Control Device
Automatic Stop Control
Brake Control
Travel Controller
Vehicle Activation Control
20 patents (USPTO):Explore Patents

Title: Hirokazu Kato: Innovator in Engine Systems and Hybrid Vehicles

Introduction

Hirokazu Kato, based in Nisshin, Japan, is a recognized inventor with an impressive portfolio of 20 patents. His pioneering work primarily focuses on engine systems and hybrid vehicle technologies, contributing significantly to the automotive industry.

Latest Patents

Among Kato's latest inventions is an advanced engine system and method for controlling the engine system. This patented system comprises an engine, an exhaust gas recirculation device featuring a communication pipe connecting the exhaust and intake pipes, along with a valve for regulating flow. The electronic control unit within this system estimates intake pressure and conducts jamming diagnosis, comparing the detected and estimated intake pressures to ascertain if any foreign matter obstructs the valve. Additionally, he has developed a patented hybrid vehicle design that integrates an engine, an exhaust gas recirculation device, a traveling motor, and a control device for effective operation. Notably, the control device ensures the removal of any foreign matter caught in the valve, enhancing the vehicle's performance when it comes to a stop.

Career Highlights

Hirokazu Kato has made significant contributions while working with notable companies such as Toyota Motor Corporation and Aisin Seiki Co., Ltd. His work at these leading automotive manufacturers has helped propel advancements in engine technology and vehicle efficiency.

Collaborations

Throughout his career, Kato has collaborated with esteemed professionals in the field, including Masaaki Yamaguchi and Hisayuki Itoh. Together, they have worked on projects that have pushed the boundaries of innovation in automotive engineering.

Conclusion

Hirokazu Kato continues to be a significant figure in driving technological progress within the automotive sector. His patented inventions not only reflect his expertise but also contribute to the advancement of vehicle efficiency and performance, ultimately shaping the future of hybrid vehicles and engine 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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