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For the Inventor, By the Inventor

Susono, Japan

Hiroki Matsuoka

This inventor holds 50 USPTO granted patents, plus 1 CIPO patent, primarily in Exhaust Purification (CPC class 1234). Top assignees: Toyota Jidosha Kabushiki Kaisha, Denso Corporation, Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1977-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Matsuoka. Retrieved from https://idiyas.com/inventor/hiroki-matsuoka

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

Calculating rank
USPTO Granted Patents = 50

% Patents Active = 82.0


Average Co-Inventor Count = 2.4

ph-index = 11

Forward Citations = 459(Granted Patents)

Forward Citations (Not Self Cited) = 452(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Susono, JA (1977)
  • Shizuoka, JP (1998)
  • Toyota, JP (2003 - 2004)
  • Susono, JP (1983 - 2011)

Company Filing History:

goldMedal42 out of 39,010 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal5 out of 20,443 
 
Denso Corporation
 patents
bronzeMedal5 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
4. 2 out of 3,252 
 
Nippondenso Co., Ltd.
 patents
5. 1 out of 1,903 
 
Kabushiki Kaisha Toyota Jidoshokki
 patents
6. 3 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1977-2011

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Areas of Expertise:
Exhaust Purifying Apparatus
Regeneration Controller
Internal Combustion Engine
Fuel Injection Control
Emission Control Device
Catalyst Deterioration
Fuel Vapor Control
Vehicle Transmission Control
Thermal Air-Flow Sensor
Air-Fuel Ratio Control
50 patents (USPTO):Explore Patents
1. 8079212 - Exhaust purifying apparatus and exhaust purifying method for internal combustion engine (2011-12-20),
2. 7849677 - Regeneration controller for exhaust purification apparatus of internal combustion engine (2010-12-14),
3. 7841169 - Regeneration controller for exhaust purification apparatus of internal combustion engine (2010-11-30),
4. 7677029 - Regeneration controller for exhaust purification apparatus of internal combustion engine (2010-03-16),
5. 7607290 - Exhaust purifying apparatus for internal combustion engine (2009-10-27),
6. 7600373 - Regeneration controller for exhaust purification apparatus of internal combustion engine (2009-10-13),
7. 7484359 - Exhaust purifying apparatus for internal combustion engine (2009-02-03),
8. 7340884 - Exhaust purifying apparatus and exhaust purifying method for internal combustion engine (2008-03-11),
9. 7185488 - Exhaust purifying apparatus and exhaust purifying method for internal combustion engine (2007-03-06),
10. 6763799 - Internal combustion engine and control method of the same (2004-07-20),
11. 6619035 - Exhaust emission control device of internal combustion engine (2003-09-16),
12. 6467466 - Gas leakage detection and fail-safe control method for gas-fueled internal combustion engine and apparatus for implementing the same (2002-10-22),
13. 6349540 - Catalyst deterioration determining apparatus for internal combustion engine, and control method for the apparatus (2002-02-26),
14. 6240910 - Fuel injection control system for compressed natural gas-fueled automotive vehicle (2001-06-05),
15. 5848530 - Device for detecting deterioration of catalytic converter for cleaning (1998-12-15),

Title: Hiroki Matsuoka: Pioneering Inventor from Susono

Introduction: Hiroki Matsuoka is a renowned inventor hailing from Susono, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroki Matsuoka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Matsuoka has worked with leading tech companies and research institutions, playing a pivotal role in the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Hiroki Matsuoka has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge sharing that has led to the creation of transformative technologies.

Conclusion: Hiroki Matsuoka's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible in the world of technology.

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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