Company Filing History:

26 out of 19,697

Denso Corporation

patents

23 out of 3,252

Nippondenso Co., Ltd.

patents

1 out of 193

Tokyo Gas Company Limited

patents

where one patent can have more than one assignee

Years Active: 1984-2012

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49 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8175789 - Combustion controller for compression-ignition direct-injection engine and engine control system for the same (2012-05-08),

2. 7926331 - Detection of fuel property based on change in rotational speed of engine (2011-04-19),

3. 7836693 - Exhaust recirculation apparatus for engine and method for controlling the same (2010-11-23),

4. 7707994 - Fuel injection controller (2010-05-04),

5. 7647161 - Fuel injection controller and fuel injection system using the same (2010-01-12),

6. 7637245 - Method and system for controlling an actuator to rotate a valve (2009-12-29),

7. 7606651 - Apparatus for controlling timings of intervals in which combustion chamber pressure data are acquired from output signals of cylinder pressure sensors of multi-cylinder internal combustion engine (2009-10-20),

8. 7574298 - Fuel injection controller (2009-08-11),

9. 7542865 - Abnormality determination device of cylinder pressure sensor (2009-06-02),

10. 7513245 - Engine torque control apparatus and method for adjusting engine torque control apparatus (2009-04-07),

11. 7509938 - Internal combustion engine control apparatus (2009-03-31),

12. 7395148 - Fuel injection controller for internal combustion engine (2008-07-01),

13. 7367311 - Control system for compression ignition internal combustion engine (2008-05-06),

14. 7313913 - Exhaust gas purification system of internal combustion engine (2008-01-01),

15. 7254941 - Exhaust gas cleaning device for internal combustion engine (2007-08-14),

Title: Hiroshi Haraguchi: Innovator in Engine Technology

Introduction

Hiroshi Haraguchi, an esteemed inventor based in Kariya, Japan, is known for his significant contributions to the field of engine technology. With a remarkable portfolio of 49 patents, Haraguchi has pioneered various innovations aimed at enhancing the efficiency and performance of internal combustion engines.

Latest Patents

Among his latest inventions are two notable patents: the "Combustion Controller for Compression-Ignition Direct-Injection Engine" and the "Detection of Fuel Property Based on Change in Rotational Speed of Engine." The combustion controller patent describes an advanced program that optimizes the ignition timing and injection process to improve combustion efficiency. Meanwhile, the fuel property detector patent outlines a system that assesses the properties of fuel based on changes in engine rotational speed during injection, enhancing the ability to adapt engine performance to varying fuel qualities.

Career Highlights

Hiroshi Haraguchi has built a notable career, working with prominent companies such as Denso Corporation and Nippondenso Co., Ltd. His experience in these esteemed organizations has equipped him with the knowledge and expertise to drive innovative solutions in engine technology. Haraguchi's inventions not only showcase his technical prowess but also reflect his commitment to advancing automotive technology.

Collaborations

Throughout his career, Haraguchi has collaborated with talented individuals like Youhei Morimoto and Koji Sakakibara. These collaborations have facilitated a dynamic exchange of ideas and fostered innovation, contributing to the development of groundbreaking engine technologies.

Conclusion

Hiroshi Haraguchi's impressive body of work and dedication to innovation within the automotive industry highlight his influence as an inventor. His patents serve as a testament to his ingenuity and relentless pursuit of advancements in engine technology, ensuring that he remains a key player in shaping the future of automotive engineering.

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