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For the Inventor, By the Inventor

Oobu, Japan

Susumu Harada

This inventor holds 16 USPTO granted patents. Top assignees: Nippondenso Co., Ltd., Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1976-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Harada. Retrieved from https://idiyas.com/inventor/susumu-harada-7kl1dp2w

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

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 10

Forward Citations = 259(Granted Patents)


Location History:

  • Obu, JA (1976)
  • Oobu, JA (1976 - 1978)
  • Kariya, JP (1981)
  • Oobu, JP (1978 - 1982)
  • Okazaki, JP (1985 - 1988)

Company Filing History:

goldMedal16 out of 3,252 
 
Nippondenso Co., Ltd.
 patents
silverMedal1 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1976-1988

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16 patents (USPTO):Explore Patents
1. 4750128 - Air/fuel ratio control for an internal combustion engine with improved (1988-06-07),
2. 4663717 - Fuel control system having sensor verification dual modes (1987-05-05),
3. 4546747 - Lean mixture control system using a biased oxygen concentration sensor (1985-10-15),
4. 4543176 - Oxygen concentration detector under temperature control (1985-09-24),
5. 4541050 - Control device for a vehicle (1985-09-10),
6. 4327682 - Fuel supply system for an internal combustion engine (1982-05-04),
7. 4250853 - Method and apparatus for controlling the fuel supply of an internal (1981-02-17),
8. 4204483 - Fuel cut-off apparatus for electronically-controlled fuel injection (1980-05-27),
9. 4202295 - Fuel supply control system for internal combustion engines (1980-05-13),
10. 4184460 - Electronically-controlled fuel injection system (1980-01-22),
11. 4148283 - Rotational speed detecting apparatus for electronically-controlled fuel (1979-04-10),
12. 4127086 - Fuel injection control system (1978-11-28),
13. 4126107 - Electronic fuel injection system (1978-11-21),
14. 4094274 - Fuel injection control system (1978-06-13),
15. 3963002 - Electronically controlled fuel injection system (1976-06-15),

Title: Innovative Contributions of Susumu Harada

Introduction

Susumu Harada, an inventive mind from Oobu, Japan, has made significant strides in the field of internal combustion engine technology with his 16 patents. His innovative approaches have improved fuel control systems, showcasing his dedication to enhancing engine efficiency and performance.

Latest Patents

Among his latest patents is a method for air/fuel ratio control in internal combustion engines. This innovation involves a computer-controlled fuel supply system wherein airflow data and engine speed data are processed using an analog operating circuit. This processing generates a basic injection pulse signal, allowing for precise control over the fuel flow. Notably, if the microcomputer malfunctions, the system can revert to a basic injection pulse from the analog circuit, maintaining effective air/fuel ratio control. Another recent patent deals with a fuel control system that employs sensor verification in dual modes. In this system, high and low voltages are applied to an oxygen sensor to compare the currents generated, thereby regulating the air-fuel mixture ratio based on the sensor's response.

Career Highlights

Throughout his esteemed career, Harada has contributed to leading companies in the automotive field, most notably Nippondenso Co., Ltd. His work at these organizations has emphasized improving vehicle performance through innovative technology.

Collaborations

Harada has collaborated with notable colleagues, including Akio Kobayashi and Masakazu Honda. Their collective expertise has fostered developments that have had a lasting impact on engine technology.

Conclusion

In summary, Susumu Harada stands out as a vital inventor in the realm of internal combustion engines. His numerous patents and collaborations reflect his commitment to innovation, contributing significantly to advancements that shape the future of automotive engineering.

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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