logo

For the Inventor, By the Inventor

Seto, Japan

Yasutaka Hayashi

This inventor holds 17 USPTO granted patents. Top assignees: Kabushiki Kaisha Toyota Chuo Kenkyusho, Toyota Jidosha Kabushiki Kaisha, Toyota Central Research and Development Laboratories, Inc.. Active years: 1978-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasutaka Hayashi. Retrieved from https://idiyas.com/inventor/yasutaka-hayashi

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 13

Forward Citations = 588(Granted Patents)


Location History:

  • Nagoya, JP (1978 - 1984)
  • Aichi, JP (1986 - 1989)
  • Seto, JP (1987 - 1992)

Company Filing History:

goldMedal13 out of 1,153 
 
Kabushiki Kaisha Toyota Chuo Kenkyusho
 patents
silverMedal4 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
bronzeMedal2 out of 7 
 
Toyota Central Research and Development Laboratories, Inc.
 patents
4. 1 out of 1,343 
 
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
 patents
where one patent can have more than one assignee

Years Active: 1978-1992

Loading Chart...
17 patents (USPTO):Explore Patents
1. 5135069 - Vehicle rudder angle control apparatus (1992-08-04),
2. 4940105 - Steering gear for a vehicle (1990-07-10),
3. 4916632 - Vibration control apparatus (1990-04-10),
4. 4907154 - Vibration control apparatus (1990-03-06),
5. 4834205 - Apparatus for controlling steering of wheels of a vehicle (1989-05-30),
6. 4807128 - System for vehicle body roll control detecting and compensating for (1989-02-21),
7. 4797823 - System for vehicle body roll control performing suspension hardness (1989-01-10),
8. 4787650 - Active suspension apparatus (1988-11-29),
9. 4765649 - System for vehicle body roll control detecting and compensating for (1988-08-23),
10. 4720790 - Apparatus for controlling steer angle of rear wheels of vehicle (1988-01-19),
11. 4700971 - Adjustable hydropneumatic active suspension apparatus (1987-10-20),
12. 4700960 - Apparatus for controlling steer angle of rear wheels of vehicle (1987-10-20),
13. 4693493 - System for vehicle body roll control utilizing steering angle detection (1987-09-15),
14. 4669745 - Apparatus for controlling steering angle of rear wheels of a vehicle (1987-06-02),
15. 4579366 - Active suspension apparatus (1986-04-01),

Title: Yasutaka Hayashi: Innovator in Vehicle Steering Technology

Introduction

Yasutaka Hayashi is a prominent inventor based in Seto, Japan. He has made significant contributions to the field of vehicle steering technology, holding a total of 17 patents. His innovative designs focus on enhancing the safety and functionality of steering systems in vehicles.

Latest Patents

Among his latest patents is the "Vehicle Rudder Angle Control Apparatus." This apparatus is designed to control the steerable wheels of a power-assisted steering unit. It features an angle detector connected to the power assist unit and a power controller. An abnormality detector is integrated to monitor the relative displacement between the steering shaft and the output shaft of the angle detector. This system produces a signal sent to the power controller to prevent abnormal states. Another notable patent is the "Steering Gear for a Vehicle," which includes a steering correction function. This function allows the vehicle to correct its steering when disturbances occur. The design incorporates a connecting portion for detecting abnormal states and a releasable portion for the drive unit operation, ensuring safe manual steering during abnormal conditions.

Career Highlights

Yasutaka Hayashi has worked with notable companies in the automotive industry, including Toyota Central R&D Labs and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in vehicle technology.

Collaborations

Throughout his career, Yasutaka has collaborated with esteemed colleagues such as Shunichi Doi and Kazuo Miki. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Yasutaka Hayashi's contributions to vehicle steering technology demonstrate his commitment to innovation and safety in the automotive industry. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle performance.

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…