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For the Inventor, By the Inventor

Hiratsuka, Japan

Etsuo Katsuyama

This inventor holds 14 USPTO granted patents and 2 EPO patents, primarily in Vehicle Control Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Etsuo Katsuyama. Retrieved from https://idiyas.com/inventor/etsuo-katsuyama

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

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 57.1


Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 19(Granted Patents)


Location History:

  • Susono, JP (2012 - 2023)
  • Hiratsuka, JP (2015 - 2024)

Company Filing History:

goldMedal14 out of 39,126 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal1 out of 1,154 
 
Kabushiki Kaisha Toyota Chuo Kenkyusho
 patents
where one patent can have more than one assignee

Years Active: 2012-2026

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Areas of Expertise:
Driving Force Control
Roll Vibration Damping
Vehicle Stability
Electronic Control Unit
Target Roll Moment
Braking Control
Four-Wheel Drive
Behavior Control
Steering Control
Non-Transitory Medium
14 patents (USPTO):Explore Patents
1. 12668122 - Driving force control device (2026-06-30),
2. 12251974 - Roll vibration damping control system for vehicle and target roll moment computing method therefor (2025-03-18),
3. 11958329 - Roll vibration damping control system for vehicle, target roll moment computing method therefor, and non-transitory computer-readable storage medium (2024-04-16),
4. 11912091 - Roll vibration damping electronic control unit, target roll moment computing method, and non-transitory computer-readable storage medium therefor (2024-02-27),
5. 11738760 - Vehicle control apparatus (2023-08-29),
6. 11679775 - Vehicle control apparatus (2023-06-20),
7. 11203244 - Damping control apparatus for vehicle (2021-12-21),
8. 10196057 - Vehicle stability control device (2019-02-05),
9. 9527510 - Driving force control apparatus for a four-wheel drive vehicle (2016-12-27),
10. 9457804 - Vehicle braking/driving force control apparatus (2016-10-04),
11. 9120469 - Vehicle behavior control apparatus (2015-09-01),
12. 8983723 - Vehicle braking/driving force control system and vehicle braking/driving force control method (2015-03-17),
13. 8948951 - Vehicle behavior control apparatus (2015-02-03),
14. 8200392 - Vehicular steering control device (2012-06-12),

Title: Etsuo Katsuyama: Innovator in Vehicle Control Systems

Introduction

Etsuo Katsuyama is a prominent inventor based in Hiratsuka, Japan. He has made significant contributions to the field of vehicle control systems, holding a total of 13 patents. His work focuses on enhancing vehicle stability and performance through innovative damping control systems.

Latest Patents

Katsuyama's latest patents include a roll vibration damping control system for vehicles and a target roll moment computing method. This system features an electronic control unit that computes a controlled roll moment to be applied to the vehicle body. It takes into account various factors such as roll moment of inertia, roll angular acceleration, and roll damping coefficients. The system also calculates a correction roll moment generated by lateral forces on the wheels due to roll motion. This innovative approach aims to improve vehicle handling and safety.

Career Highlights

Throughout his career, Etsuo Katsuyama has worked with notable companies, including Toyota Motor Corporation and Toyota Central R&D Labs. His experience in these organizations has allowed him to develop and refine his innovative ideas in vehicle technology.

Collaborations

Katsuyama has collaborated with talented individuals such as Shota Tanzan and Takao Kobayashi. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.

Conclusion

Etsuo Katsuyama's work in vehicle control systems exemplifies the impact of innovation in automotive technology. His patents and collaborations highlight his commitment to enhancing vehicle performance and safety.

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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