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For the Inventor, By the Inventor

Toyota, Japan

Masanao Idogawa

This inventor holds 85 USPTO granted patents and 12 published patent applications and 23 EPO patents, primarily in Hybrid Electric Vehicles (CPC class F02D41-1454). Top assignees: Toyota Jidosha Kabushiki Kaisha, Yamaha Hatsudoki Kabushiki Kaisha. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanao Idogawa. Retrieved from https://idiyas.com/inventor/masanao-idogawa

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

USPTO Granted Patents = 85 

% Patents Active = 71.8

 

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 96(Granted Patents)

Forward Citations (Not Self Cited) = 91(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Toyota, JP (2003 - 2022)
  • Nagoya, JP (2018 - 2024)
  • Aichi-ken, JP (2024)

Company Filing History:

goldMedal85 out of 38,970 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal4 out of 4,358 
 
Yamaha Hatsudoki Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 2003-2025

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Areas of Expertise:
Hybrid Electric Vehicle
Vehicle Controller
Control Method
Internal Combustion Engine
Fuel Injection Control
Filter Regeneration
Engine Control Device
Control System
85 patents (USPTO):Explore Patents
1. 12492666 - Control device for engine (2025-12-09),
2. 12420772 - Hybrid electric vehicle (2025-09-23),
3. 12280671 - Hybrid electric vehicle controller and method for controlling hybrid electric vehicle (2025-04-21),
4. 12263832 - Controller for hybrid electric vehicle and method for controlling hybrid electric vehicle (2025-04-01),
5. 12253038 - Controller for vehicle and control method for vehicle (2025-03-18),
6. 12012908 - Hybrid electric vehicle (2024-06-18),
7. 11965473 - Controller and control method for internal combustion engine (2024-04-23),
8. 11959449 - Control device for hybrid electric vehicle (2024-04-16),
9. 11959430 - Vehicle controller and vehicle control method (2024-04-16),
10. 11933238 - Controller for internal combustion engine, control method for internal combustion engine, and memory medium (2024-03-19),
11. 11927146 - Controller and control method for vehicle (2024-03-12),
12. 11898510 - Filter regeneration control device (2024-02-13),
13. 11802531 - Hybrid electric vehicle (2023-10-31),
14. 11746717 - Engine apparatus (2023-09-05),
15. 11698018 - Control device and control method for internal combustion engine (2023-07-11),

Title: The Innovative Journey of Masanao Idogawa

Introduction: Masanao Idogawa is a renowned inventor hailing from Toyota, Japan, known for his groundbreaking contributions to the field of automotive technology.

Latest Patents: Masanao Idogawa holds several patents related to hybrid vehicle systems, energy-efficient engines, and advanced safety features in automobiles.

Career Highlights: With a career spanning over two decades at Toyota, Masanao Idogawa has played a pivotal role in the development of eco-friendly vehicles and cutting-edge automotive technologies. His innovative ideas have significantly influenced the automotive industry.

Collaborations: Throughout his career, Masanao Idogawa has collaborated with top engineers, designers, and researchers within Toyota and across the globe to bring his inventions to life. His collaborative spirit has led to the successful implementation of numerous innovative projects.

Conclusion: Masanao Idogawa's passion for innovation and dedication to creating sustainable automotive solutions have solidified his reputation as a pioneering inventor in the automotive industry. His contributions continue to inspire future generations of inventors and engineers.

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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