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For the Inventor, By the Inventor

Niiza, Japan

Shumpei Hasegawa

This inventor holds 87 USPTO granted patents, primarily in Engine Control Systems (CPC class 123440). Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Honda Motor Co., Ltd., Honda Giken Kogyo K.k.. Active years: 1982-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shumpei Hasegawa. Retrieved from https://idiyas.com/inventor/shumpei-hasegawa

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

Calculating rank
USPTO Granted Patents = 87

% Patents Active = 92.0

Average Co-Inventor Count = 1.7

ph-index = 15

Forward Citations = 823(Granted Patents)

Forward Citations (Not Self Cited) = 784(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Niiza, JP (1982 - 1987)
  • Wako, JP (1989 - 2007)
  • Saitama, JP (1985 - 2008)

Company Filing History:

goldMedal45 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
silverMedal36 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
bronzeMedal5 out of 182 
 
Honda Giken Kogyo K.k.
 patents
4. 3 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
5. 1 out of 59 
 
Honda Giken Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1982-2008

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Areas of Expertise:
Fuel Injection
Engine Control
Diagnostic Methods
Air-Fuel Ratio
Internal Combustion
Lean Burn
Liquid-Cooled Engine
Direct Injection
Compression Ratio
Throttle Valve
Secondary Air Supply
Fuel Supply Control
87 patents (USPTO):Explore Patents
1. 7401605 - Fuel injection control system for engine (2008-07-22),
2. 7324891 - Engine control method and device (2008-01-29),
3. 7263427 - Failure diagnostic method and apparatus for manifold pressure sensors (2007-08-28),
4. 7243021 - Failure diagnostic method and apparatus for manifold pressure sensor (2007-07-10),
5. 7203594 - Failure diagnostic method and apparatus for atmospheric pressure sensors (2007-04-10),
6. 7197917 - Method and apparatus for diagnosing failure of an atmospheric pressure sensor in an engine control system (2007-04-03),
7. 7100571 - Method and apparatus for controlling engine (2006-09-05),
8. 7086371 - Engine (2006-08-08),
9. 7069898 - Liquid-cooled engine (2006-07-04),
10. 6866023 - Lean burn engine control system (2005-03-15),
11. 4957075 - Apparatus for controlling inlet of exhaust valves (1990-09-18),
12. 4944266 - Direct-injection diesel engine (1990-07-31),
13. 4864977 - Compression ratio-changing device for internal combustion engines (1989-09-12),
14. 4864975 - Compression ratio-changing device for internal combustion engines (1989-09-12),
15. 4688532 - Intake system for direct fuel injection diesel engine (1987-08-25),

Certainly! Here is an article about inventor Shumpei Hasegawa:

Title: Shumpei Hasegawa: A Trailblazer in Technological Innovation

Introduction: Shumpei Hasegawa, a distinguished inventor based in Niiza, Japan, is known for his unwavering passion for innovation and his relentless pursuit of excellence. His groundbreaking contributions to the world of technology continue to inspire the next generation of inventors and technologists, leaving an indelible mark on the future of innovation.

Latest Patents:

1. Fuel Injection Control System for Engine: Shumpei Hasegawa's innovative fuel injection control system enables the operation of a lean combustion type engine with ease, particularly in high throttle opening regions. By allowing the throttle valve to be turnable beyond the fully opened position, the system maintains a consistent air flow rate, resulting in enriched fuel-air mixtures and high engine output under high loads.

2. Engine Control Method and Device: Hasegawa's engine control method addresses the scenario where both manifold pressure sensors in individual groups have failed. Through a sophisticated system of comparison, estimation, and calculation, the method identifies abnormal sensors and seamlessly continues engine control using estimated values in case of sensor failure.

Career Highlights: With an impressive portfolio of 87 patents, Shumpei Hasegawa has significantly impacted the field of automotive technology. Having worked at esteemed companies such as Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd., Hasegawa has demonstrated his expertise and dedication to advancing engine control systems and fuel injection technologies.

Collaborations: Throughout his illustrious career, Shumpei Hasegawa has collaborated with accomplished individuals in the industry, including Kazuo Otsuka and Shin Narasaka. These collaborations have led to the development of innovative solutions and the advancement of cutting-edge technologies in the automotive sector.

Conclusion: Shumpei Hasegawa's pioneering spirit and commitment to innovation have solidified his legacy as a trailblazer in the world of technology. His inventive contributions, particularly in engine control systems and fuel injection technology, continue to shape the future of innovation and inspire aspiring inventors worldwide.

I hope this article provides valuable insight into the remarkable accomplishments of Shumpei Hasegawa in the realm of technological innovation. If you have any further questions or need additional information, feel free to ask!

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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