Tsunehiko Ogasawara

Title: The Innovative Contributions of Tsunehiko Ogasawara

Introduction

Tsunehiko Ogasawara is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of engineering, particularly in the development of hydraulic systems for transmissions. With a total of seven patents to his name, Ogasawara's work has had a lasting impact on automotive technology.

Latest Patents

One of Ogasawara's latest patents is the "Hydraulic Operating Unit of Friction Engaging Apparatus for Transmissions." This invention provides a hydraulic operating unit that allows for the introduction of a low-pressure working fluid. This feature enables the forceable disengagement of the hydraulic operation unit against the fluid that typically urges the unit into engagement. The design includes a large effective pressure-receiving area on the releasing side of the hydraulic power servo mechanism, while maintaining a small piston diameter to save space.

Another significant patent is the "Parking Mechanism of a Transmission." In this invention, a shaft member is displaced and actuated in conjunction with a shift lever of a transmission. This mechanism presses and displaces a latch that engages teeth coupled to the output shaft of the transmission. The design includes a cylindrical support portion that guides the end of the shaft member during disengagement, enhancing the functionality of the parking mechanism.

Career Highlights

Ogasawara has worked with prominent companies in the automotive industry, including Aisin Seiki Co., Ltd. and Aisin-Warner Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects that advance transmission technology.

Collaborations

Throughout his career, Ogasawara has collaborated with talented individuals such as Koji Sumiya and Yoshichika Arakawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Tsunehiko Ogasawara's contributions to hydraulic systems in transmissions exemplify his innovative spirit and dedication to engineering. His patents reflect a deep understanding of mechanical systems and a commitment to improving automotive technology. Ogasawara's work continues to influence the industry and inspire future inventors.