Tatsuyuki Ohashi

Title: Innovations of Tatsuyuki Ohashi: Shaping Automatic Transmission Systems

Introduction

Tatsuyuki Ohashi, a prolific inventor based in Wako, Japan, holds an impressive portfolio consisting of 35 patents. His work primarily focuses on advancements in the field of automatic transmission systems, contributing to the evolution of vehicle technology and enhancing driving experiences.

Latest Patents

Among his latest inventions is the "Shift Control Apparatus for Automatic Transmission." This device features both an automatic shift mode, which optimizes gear selection based on vehicle running conditions, and a manual shift mode that allows operators to control gear shifts manually. The apparatus includes a region determining unit that assesses whether the vehicle's current running condition falls within a specific region to execute proper downshifts. Furthermore, it also boasts an upshift allowing unit that enables upward shifts when specific conditions are met.

Another notable patent is the improvement on the initial shift control apparatus which includes a shift characteristic changing unit. This enhancement allows shift characteristics to adapt based on vehicle speed, particularly during downshifts initiated by manual operation. The addition of a delaying unit ensures that the timing of upshift signals is perfectly aligned with the vehicle’s running conditions, thus providing safer and more efficient transitions between gears.

Career Highlights

Ohashi has made significant contributions while working for two major companies: Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His innovations have been instrumental in advancing the technology of automatic transmissions, making vehicles more efficient and responsive.

Collaborations

Throughout his career, Tatsuyuki Ohashi has collaborated with notable colleagues, including Hideki Wakamatsu and Takamichi Shimada. Their collective efforts have aimed at enhancing the automotive industry through innovative design and technology.

Conclusion

Tatsuyuki Ohashi's dedication to the field of automatic transmission technologies is evident in his extensive patent portfolio. His contributions not only reflect his expertise as an inventor but also highlight the ongoing innovations within the automotive sector, ultimately leading to more advanced and user-friendly vehicles.