Yasuhiro Ishihara

Title: Inventor Spotlight: Yasuhiro Ishihara

Introduction

Yasuhiro Ishihara, based in Anjo, Japan, is an innovative inventor known for his contributions in the field of control devices and hybrid drive technology. With two patents to his name, Ishihara has made significant strides in enhancing the functionality and efficiency of automotive systems.

Latest Patents

Ishihara's latest inventions include a **Control Device** and a **Hybrid Drive Device**.

The *Control Device* is designed to optimize the performance of solenoid valves. It features an electronic control unit that detects the actual current flowing through the valve, generates command voltage values, and applies advanced filtering techniques to enhance the accuracy of its operation. The device achieves this by calculating dither command voltage values, which facilitate periodic voltage oscillations, thereby improving control over the solenoid valve application voltage through a PWM signal.

The *Hybrid Drive Device* incorporates a clutch mechanism that manages the connectivity between the output and input shafts. It includes a first motor generator that synchronizes rotation with the input shaft, alongside advanced calculations for permissible clutch heat generation and allowable differential clutch rotation speeds. This device ensures efficient engagement and engagement management, optimizing motor generator speed control for better performance.

Career Highlights

Throughout his career, Yasuhiro Ishihara has held positions at prominent companies, including Aisin Aw Co., Ltd. and Aisin Seiki Kabushiki Kaisha. His expertise and innovations have played a critical role in advancing technologies within the automotive sector.

Collaborations

Ishihara has collaborated with notable colleagues, including Yasuhiko Kobayashi and Tetsuro Kuwano. These collaborations have been instrumental in fostering innovative ideas and solutions that drive progress within their field.

Conclusion

Yasuhiro Ishihara's contributions to the fields of control devices and hybrid drive technology underline his position as a pioneer inventor. With two patents to his name, he continues to influence the automotive industry with innovative solutions that enhance performance and efficiency. His work exemplifies the spirit of innovation, demonstrating a commitment to advancing technology for the betterment of the industry.