Company Filing History:

6 out of 1,838

Toyota Jidosha Kogyo Kabushiki Kaisha

patents

4 out of 36,499

Toyota Jidosha Kabushiki Kaisha

patents

1 out of 3,252

Nippondenso Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1980-1986

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4583174 - Electronically controlled fuel injection apparatus for internal (1986-04-15),

2. 4573443 - Non-synchronous injection acceleration control for a multicylinder (1986-03-04),

3. 4478193 - Connector device for use in an internal combustion engine (1984-10-23),

4. 4471743 - Fuel injection control system (1984-09-18),

5. 4466413 - Fuel cut system for electronic control system (1984-08-21),

6. 4414942 - Idling speed control device of an internal combustion engine (1983-11-15),

7. 4397275 - Idling speed control device of an internal combustion engine (1983-08-09),

8. 4385602 - Rotational speed control device during idling of engine (1983-05-31),

9. 4246566 - Malfunction diagnosing apparatus for electronic control system for (1981-01-20),

10. 4210114 - Air-fuel ratio control apparatus for an internal combustion engine (1980-07-01),

Title: Haruo Watanabe: Innovator in Fuel Injection Technology

Introduction

Haruo Watanabe is a prominent inventor known for his significant contributions to fuel injection technology in internal combustion engines. Based in Okazaki, Japan, he holds a total of 10 patents that showcase his innovative approach to enhancing engine performance and efficiency.

Latest Patents

One of Watanabe's latest patents is an electronically controlled fuel injection apparatus for internal combustion engines. This invention increases the rate of fuel injection when the engine speed drops significantly, particularly under idling conditions. By enlarging the width of the basic fuel injection pulse based on engine speed and intake air flow rate, this apparatus ensures optimal fuel delivery. Additionally, he developed a non-synchronous injection acceleration control system for multicylinder engines. This system allows for simultaneous operation of fuel injectors while controlling the amount of injection based on air flow meter signals, enhancing engine acceleration.

Career Highlights

Watanabe has had a distinguished career, working with Toyota Motor Corporation, where he applied his expertise in fuel injection systems. His work has been instrumental in advancing the technology used in modern vehicles, contributing to improved fuel efficiency and reduced emissions.

Collaborations

Throughout his career, Watanabe has collaborated with notable colleagues, including Hiroshi Itoh and Mamoru Kobashi. These partnerships have fostered innovation and development in the automotive industry.

Conclusion

Haruo Watanabe's contributions to fuel injection technology have made a lasting impact on the automotive sector. His innovative patents continue to influence engine design and performance, showcasing his dedication to advancing automotive engineering.

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