Company Filing History:

7 out of 629

Toyoda Koki Kabushiki Kaisha

patents

Mitsubishi Jidosha Kogyo Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 2003-2015

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9174669 - Control apparatus for hydraulic power steering system (2015-11-03),

2. 7581612 - Drive force distribution device and method for distributing drive force (2009-09-01),

3. 7490690 - Control device for front-and-rear wheel drive vehicle (2009-02-17),

4. 7016775 - Controller and control method for an electric power steering apparatus (2006-03-21),

5. 6886652 - Torque distribution control device for four-wheel drive vehicle (2005-05-03),

6. 6823252 - Drive power distribution control method and device for four-wheel drive vehicle (2004-11-23),

7. 6795762 - Steering apparatus controller for electric power steering apparatus (2004-09-21),

8. 6729435 - Apparatus and method for controlling electric power steering system (2004-05-04),

9. 6696807 - Control apparatus of electric power steering (2004-02-24),

10. 6582119 - Wire breaking detection method for temperature sensor and temperature sensing apparatus for using the method (2003-06-24),

Title: Yasushi Yamada: Innovator in Hydraulic Power Steering Systems

Introduction

Yasushi Yamada is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of hydraulic power steering systems, holding a total of 10 patents. His innovative work has greatly influenced automotive technology and engineering.

Latest Patents

One of Yasushi Yamada's latest patents is a control apparatus for a hydraulic power steering system. This system includes multiple electric pumps, where a first ECU determines the completion of the first motor's start-up based on a specific current value. The prescribed current range is carefully set to ensure optimal performance and safety. Another notable patent is a drive force distribution device and method for distributing drive force. This invention utilizes an IG-off-timer to measure the time from when the engine is stopped, allowing for accurate temperature estimation of heat-generating portions after the engine is restarted. This innovation helps protect critical components of the engine.

Career Highlights

Yasushi Yamada has worked with notable companies such as Toyoda Koki Kabushiki Kaisha and Jtekt Corporation. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in automotive technology.

Collaborations

Yasushi has collaborated with esteemed colleagues, including Masahide Iwazawa and Kiyotaka Iwata. Their teamwork has fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.

Conclusion

Yasushi Yamada's contributions to hydraulic power steering systems and automotive technology are commendable. His innovative patents and collaborations highlight his dedication to advancing engineering solutions. His work continues to impact the industry positively.

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