Yokohama, Japan

Masahiro Iriyama

This inventor holds 51 USPTO granted patents, plus 1 CIPO patent and 21 EPO patents, primarily in Vehicle Control Systems (CPC class F02D). Top assignees: Nissan Motor Company Limited, Jatco Corporation, Other. Active years: 1990-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Iriyama. Retrieved from https://idiyas.com/inventor/masahiro-iriyama

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


% Patents Active = 86.3


 

Average Co-Inventor Count = 2.0

ph-index = 9

Forward Citations = 253(Granted Patents)

Forward Citations (Not Self Cited) = 249(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokosuka, JP (1990)
  • Atsugi, JP (1996 - 2012)
  • Yokohama, JP (2001 - 2018)
  • Kanagawa, JP (1990 - 2024)

Company Filing History:


Years Active: 1990-2024

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Areas of Expertise:
Vehicle Control Device
Engine Control Apparatus
Drive Force Control
Cruise Control System
Internal Combustion Engine
Torque Control Device
Speed Limit Control
Transmission Control
Acceleration Shock Reduction
Fuel Supply Control
Driving Force Control
Vehicle Drive System
51 patents (USPTO):Explore Patents

Title: **Masahiro Iriyama: Innovator in Vehicle Control Technologies**

Introduction

Masahiro Iriyama is a prominent inventor based in Yokohama, Japan, known for his significant contributions to automotive technology. With a remarkable record of 51 patents, Iriyama has been at the forefront of innovations that enhance vehicle performance and safety.

Latest Patents

Two of his latest patents showcase his expertise in vehicle control systems. The first, titled "Vehicle Control Method and Vehicle Control Device," introduces a drive source controller designed to manage the drive torque of a vehicle. This technology prohibits the acceptance of drive source required torque from a cruise controller when automatic braking control is activated during cruise operation. Furthermore, it ensures that the required torque is not output to the drive source controller in such conditions, enhancing safety and control.

The second patent, "Vehicle Driving Device and Vehicle Driving Method," focuses on the functionality of automatic transmissions. It details a method where the transmission performs a shift-up operation immediately after the accelerator pedal is released during vehicle motion. The invention predicts the engine rotation speed post-shift-up based on current speed and gear ratio, enabling timely fuel recovery during the inertial phase of the transmission, thus optimizing fuel efficiency.

Career Highlights

Iriyama's career includes notable experiences with reputed organizations, such as Nissan Motor Company Limited. His work there has significantly impacted the development of vehicle control technologies and automation.

Collaborations

Throughout his innovative journey, Iriyama has collaborated with esteemed colleagues, including Masami Murayama and Takahiro Yoshino. Together, they have explored various technological advancements in automotive engineering, contributing to the industry’s progression.

Conclusion

Masahiro Iriyama stands out as a significant figure in the realm of automotive innovation. His extensive patent portfolio reflects his dedication to improving vehicle safety and performance, solidifying his legacy as a leading inventor in vehicle control 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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