Nagoya, Japan

Yasuhiro Hiasa

This inventor holds 32 USPTO granted patents and 7 published patent applications, plus 2 CIPO patents and 7 EPO patents, primarily in Hybrid Vehicle Technology. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Hiasa. Retrieved from https://idiyas.com/inventor/yasuhiro-hiasa

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

Calculating rank
USPTO Granted Patents = 32 

% Patents Active = 59.4


 

Average Co-Inventor Count = 5.5

ph-index = 4

Forward Citations = 63(Granted Patents)


Location History:

  • Nagoya, JP (2015 - 2018)
  • Toyota, JP (2014 - 2023)
  • Miyoshi, JP (2018 - 2023)

Company Filing History:


Years Active: 2014-2025

Loading Chart...
Loading Chart...
Loading Chart...
Areas of Expertise:
Hybrid Vehicle
Control Device
Power Transmission
Engine Speed
Driving Apparatus
Dynamic Power Transmission
Automatic Transmission
Electromotive Vehicle
Vehicle Control System
Lubricant Preheating
32 patents (USPTO):Explore Patents

Title: Innovations by Yasuhiro Hiasa in Vehicle Control Systems

Introduction

Yasuhiro Hiasa is an accomplished inventor based in Nagoya, Japan, known for his significant contributions to automotive technology. With a remarkable portfolio of 31 patents, Hiasa has played a pivotal role in enhancing vehicle control systems, particularly in driving assistance and hybrid vehicle efficiency.

Latest Patents

Among his latest innovations is a control device for vehicles, which features an electronic control unit designed to execute driving assistance control. This system can automatically manage the speed of a vehicle without driver intervention and includes regenerative braking capabilities that are activated during deceleration. It effectively restricts downshifting of an automatic transmission depending on the demanded deceleration amount.

Another notable patent is the control device for hybrid vehicles, which optimizes engine torque based on supercharging pressure. By adjusting the maximum rotation speed of the second rotary machine, Hiasa's innovation prevents a decrease in power performance, ensuring that the engine operates efficiently while maintaining optimal rotation speeds.

Career Highlights

Hiasa's career highlights include his work at Toyota Jidosha Kabushiki Kaisha, where he has leveraged his engineering expertise to develop innovative automotive technologies. His focus on enhancing vehicle control systems has led to numerous patents that are instrumental in modern vehicle design.

Collaborations

Throughout his career, Hiasa has collaborated with talented coworkers, including Tooru Matsubara and Atsushi Tabata. Together, they have contributed to refining vehicle technologies and improving the overall driving experience through innovation.

Conclusion

Yasuhiro Hiasa's contributions to automotive technology demonstrate his dedication to innovation and engineering excellence. His patents not only enhance vehicle safety and performance but also pave the way for future developments in the automotive industry. As he continues to innovate, Hiasa remains a significant figure in the realm of 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]
Loading…