Takashi Ishiyama

Title: The Innovative Contributions of Takashi Ishiyama

Introduction

Takashi Ishiyama is a notable inventor based in Higashihiroshima, Japan. He has made significant contributions to the field of hydraulically actuated transmissions and power train devices for vehicles. With a total of 7 patents to his name, Ishiyama's work has had a considerable impact on automotive technology.

Latest Patents

One of Ishiyama's latest patents is for a hydraulically actuated transmission. This invention includes a reducing valve that is part of a lubricant oil supplying circuit. The reducing valve is designed to lower the pressure of lubricant oil to a predetermined level and output it with a reduced pressure. Additionally, a switching device allows for the selection between two paths for supplying lubricant oil to the necessary components. The output pressure is higher when the second path is selected compared to the first.

Another significant patent is for a power train device for vehicles. This device features a selector valve that can switch between two states. In the first state, oil from an electric oil pump is supplied as hydraulic fluid to a vehicle-starting frictional engagement element. In the second state, the oil is supplied as lubricating oil through a dedicated supply circuit, depending on the discharge pressure of a mechanical oil pump.

Career Highlights

Throughout his career, Takashi Ishiyama has worked with prominent companies in the automotive industry, including Mazda Motor Corporation and Exedy Corporation. His experience in these organizations has allowed him to develop innovative solutions that enhance vehicle performance and efficiency.

Collaborations

Ishiyama has collaborated with several talented individuals in his field, including Norio Iwashita and Tokimori Saka. These collaborations have contributed to the advancement of technology in automotive engineering.

Conclusion

Takashi Ishiyama's contributions to the field of automotive technology through his patents and collaborations highlight his innovative spirit and dedication to improving vehicle performance. His work continues to influence the industry and inspire future innovations.