Keiji Boda

Title: The Innovations of Keiji Boda

Introduction

Keiji Boda is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of automatic transmission technology, holding two patents that showcase his innovative approach to vehicle mechanics. His work has been influential in enhancing the performance and efficiency of automatic transmissions in vehicles.

Latest Patents

Boda's latest patents focus on the control of vehicle automatic transmissions. The first patent describes an automatic transmission that includes a torque converter and a multiple-stage transmission gear mechanism. This invention features a hydraulically actuated brake and a clutch that alternately engage to select one of two adjacent gear stages. To minimize gear shift shock, the engagement of the clutch or brake is controlled to be faster during the initial period of a gear shifting operation compared to the remainder of the period. A control circuit monitors the gear shifting operation and modifies the predetermined time period based on the results of the latest gear shift, storing the modified value for future use.

The second patent also pertains to vehicle automatic transmissions, incorporating a torque converter and a multiple-stage transmission gear mechanism. This design selects the gear stage based on the vehicle's operating conditions. It includes friction members that engage and disengage based on the gear stage, ensuring a smooth transition when shifting down from a higher to a lower gear stage.

Career Highlights

Throughout his career, Keiji Boda has worked with prominent companies in the automotive industry, including Mazda Motor Corporation and Japan Automatic Transmission Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in automatic transmission technology.

Collaborations

Boda has collaborated with notable coworkers such as Kouichirou Waki and Keizo Yanagisawa. Their combined expertise has likely played a role in the successful development of innovative transmission solutions.

Conclusion

Keiji Boda's contributions to automatic transmission technology have made a significant impact on the automotive industry. His patents reflect a deep understanding of vehicle mechanics and a commitment to improving performance and efficiency. His work continues to influence the design and functionality of automatic transmissions in modern vehicles.