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For the Inventor, By the Inventor

Toyota, Japan

Katsuhiko Hirose

This inventor holds 29 USPTO granted patents and 2 EPO patents, primarily in Hydrogen Production. Top assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Jidoshokki. Active years: 1988-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Hirose. Retrieved from https://idiyas.com/inventor/katsuhiko-hirose

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

USPTO Granted Patents = 29

% Patents Active = 75.9


Average Co-Inventor Count = 4.2

ph-index = 14

Forward Citations = 450(Granted Patents)


Location History:

  • Susono, JP (1988 - 2004)
  • Aichi-ken, JP (2011 - 2012)
  • Aichi, JP (2012)
  • Niwa-gun, JP (2014)
  • Toyota, JP (2003 - 2022)

Company Filing History:

goldMedal29 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal1 out of 1,902 
 
Kabushiki Kaisha Toyota Jidoshokki
 patents
where one patent can have more than one assignee

Years Active: 1988-2022

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Areas of Expertise:
Hydrogen Production
Fuel Cell System
Community System
Hybrid Vehicle Control
Internal Combustion Engine
Fuel Injection System
Exhaust Gas Emission Control
Hydrogen Storage
Catalyst Detection
Power Output Apparatus
Liquid Hydrogen Tank
Two-Stroke Engine
29 patents (USPTO):Explore Patents
1. 11437637 - Community system and hydrogen production method (2022-09-06),
2. 11302945 - Community system (2022-04-12),
3. 11054086 - Community system and management method of managing community system (2021-07-06),
4. 8871392 - Fuel cell system (2014-10-28),
5. 8746274 - Hydrogen supply apparatus and fuel gas supply apparatus (2014-06-10),
6. 8315824 - System for detecting remaining quantity in liquid hydrogen tank (2012-11-20),
7. 8287629 - Hydrogen gas storage device (2012-10-16),
8. 8051977 - Hydrogen storage tank (2011-11-08),
9. 6787932 - Power output apparatus using different torque and speed pattern characteristics and control method thereof (2004-09-07),
10. 6522024 - Output state detector for internal combustion engine (2003-02-18),
11. 6467458 - Start control apparatus for an internal combustion engine and fuel nature determination apparatus (2002-10-22),
12. 6430483 - Control apparatus of hybrid vehicle and control method thereof (2002-08-06),
13. 6327852 - Exhaust gas emission control apparatus of hybrid vehicle (2001-12-11),
14. 6173569 - Catalyst deterioration detecting apparatus for internal combustion engine (2001-01-16),
15. 6102000 - Fuel injection apparatus for engine (2000-08-15),

Title: Katsuhiko Hirose - Innovator at Toyota

Introduction: Katsuhiko Hirose is a renowned inventor based in Toyota, Japan, known for his groundbreaking contributions to the automotive industry.

Latest Patents: Katsuhiko Hirose holds several patents related to hybrid vehicle technology, safety features, and sustainable energy solutions.

Career Highlights: With a career spanning over two decades at Toyota, Katsuhiko Hirose has played a pivotal role in the development of eco-friendly vehicles and innovative automotive technologies.

Collaborations: Throughout his career, Katsuhiko Hirose has collaborated with engineers, researchers, and designers to bring cutting-edge concepts to life, revolutionizing the way we think about transportation.

Conclusion: Katsuhiko Hirose's passion for innovation and commitment to sustainability continue to inspire future generations of inventors and shape the future of the automotive industry.

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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