Toshio Unno

Title: Innovations of Toshio Unno

Introduction

Toshio Unno is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of continuously variable transmissions, holding a total of 8 patents. His work has greatly influenced the automotive industry, particularly in enhancing vehicle performance and efficiency.

Latest Patents

Among his latest patents is a "Controller of continuously variable transmission and vehicle provided with the same." This invention focuses on a speed change ratio controller that manages the speed change ratio of continuously variable transmissions. It utilizes a predetermined speed change ratio map to ensure that the V-N characteristic curve, which relates vehicle speed (V) to engine rotational frequency (N), remains within a specified range. The controller adjusts the target speed change ratio based on accelerator opening and vehicle load, ensuring optimal performance during acceleration or deceleration.

Another notable patent is the "Continuously variable transmission control device, continuously variable transmission, and vehicle equipped with the same." This invention includes a transmission system with an input shaft, output shaft, and a primary and secondary sheave. The system is designed to shift transmission ratios effectively, utilizing a control device that monitors the rotation of the belt and adjusts the sheave position accordingly.

Career Highlights

Toshio Unno is currently employed at Yamaha Hatsudoki Kabushiki Kaisha, where he continues to innovate in the field of automotive technology. His expertise in continuously variable transmissions has positioned him as a key figure in the development of advanced vehicle systems.

Collaborations

Throughout his career, Toshio has collaborated with notable colleagues such as Ryousuke Asaoka and Hiroyuki Aoki. These partnerships have fostered a creative environment that has led to groundbreaking advancements in transmission technology.

Conclusion

Toshio Unno's contributions to the field of continuously variable transmissions exemplify his innovative spirit and dedication to enhancing automotive technology. His patents reflect a deep understanding of vehicle dynamics and control systems, making him a valuable asset to the industry.