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For the Inventor, By the Inventor

Toyota, Japan

Akihiro Katayama

This inventor holds 91 USPTO granted patents and 9 EPO patents, primarily in Vehicle Control Systems (CPC class F02D2200-101). Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiro Katayama. Retrieved from https://idiyas.com/inventor/akihiro-katayama-98hczcqv

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

Calculating rank
USPTO Granted Patents = 91

% Patents Active = 67.0

 

Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 327(Granted Patents)

Forward Citations (Not Self Cited) = 283(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Usono, JP (2002)
  • Susono, JP (2003 - 2005)
  • Toyota, JP (2003 - 2024)

Company Filing History:

goldMedal91 out of 39,010 
 
Toyota Jidosha Kabushiki Kaisha
 patents

Years Active: 2002-2025

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Areas of Expertise:
Vehicle Control
Internal Combustion Engine
Abnormality Diagnosis
Vehicle Learning
Catalyst Control
Data Analysis
Misfire Detection
Engine Control
Control Method
Vehicle Controller
Adaptation System
Condition Determination
91 patents (USPTO):Explore Patents
1. 12509053 - Adaptation system and adaptation method (2025-12-30),
2. 12275388 - Adaptation system and adaptation method (2025-04-14),
3. 12215646 - Abnormality diagnosis device for internal combustion engine (2025-02-04),
4. 12117366 - Diagnosing apparatus and diagnosing method for internal combustion engine (2024-10-15),
5. 11939907 - Engine control device (2024-03-26),
6. 11922735 - Vehicle controller, vehicle control method, and non-transitory computer readable medium storing vehicle control program (2024-03-05),
7. 11840245 - Vehicle control data generation method, vehicle controller, vehicle control system, vehicle learning device, vehicle control data generation device, and memory medium (2023-12-12),
8. 11767787 - Catalyst early activation control at cold engine start (2023-09-26),
9. 11745746 - Method for generating vehicle controlling data, vehicle controller, vehicle control system, and learning device for vehicle (2023-09-05),
10. 11719180 - Abnormality diagnosis apparatus for internal combustion engine (2023-08-08),
11. 11698013 - Engine controller and method for controlling engine (2023-07-11),
12. 11691639 - Vehicle control system, vehicle control device, and control method for a vehicle (2023-07-04),
13. 11679784 - Vehicle control data generation method, vehicle controller, vehicle control system, vehicle learning device, vehicle control data generation device, and memory medium (2023-06-20),
14. 11673556 - Method of generating vehicle control data, vehicle control device, and vehicle control system (2023-06-13),
15. 11654915 - Method of generating vehicle control data, vehicle control device, and vehicle control system (2023-05-23),

Title: Akihiro Katayama: Pioneering Sustainable Automotive Solutions

Introduction:

Akihiro Katayama is a visionary inventor in the automotive industry, renowned for his passion for innovation and dedication to creating sustainable transportation solutions. With a stellar track record of 87 patents and groundbreaking contributions, he continues to shape the future of automotive technology worldwide.

Latest Patents:

1. Engine Control Device: Akihiro's innovation includes an Engine Control Module (ECM) that executes catalyst early activation control during cold engine starts, promoting catalyzer activation by opening a Wastegate Valve (WGV). The ECM also features a diagnostic process that assesses WGV functionality based on air-fuel-ratio sensor output fluctuations.

2. Vehicle Controller: A groundbreaking patent involves a vehicle controller that derives a traveling performance index for a vehicle, compares it with data received from other vehicles through vehicle-to-vehicle communication, and determines the vehicle's performance relative to others.

Career Highlights:

Akihiro Katayama is affiliated with Toyota Jidosha Kabushiki Kaisha, a leading automotive company known for its commitment to innovation and sustainability. His work at Toyota has led to numerous advancements in automotive technology, positioning him as a key figure in the industry.

Collaborations:

Akihiro collaborates closely with esteemed colleagues at Toyota, including Yuta Oshiro and Kazuki Sugie. Together, they work on cutting-edge projects that push the boundaries of automotive engineering and contribute to a greener, more efficient future.

Conclusion:

Akihiro Katayama's relentless pursuit of innovation and sustainable automotive solutions has cemented his reputation as a visionary inventor in the automotive industry. With a rich portfolio of patents and a commitment to shaping the future of transportation, he continues to inspire the next generation of innovators and engineers in the automotive field.

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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