Location History:
- Wako, JA (1977)
- Wako, JP (1979 - 1987)
- Saitama, JP (1985 - 1990)
Company Filing History:
34 out of 10,092 
1 out of 182 
1 out of 1,233 Years Active: 1977-1990
Title: Torao Hattori: Innovator in Continuously Variable Transmission Technology
Introduction
Torao Hattori, based in Wako, Japan, is a prominent inventor known for his significant contributions to the field of continuously variable transmission (CVT) technology. With a remarkable portfolio of 35 patents, Hattori has developed innovative methods and apparatuses that have enhanced the efficiency and effectiveness of vehicle transmission systems.
Latest Patents
Among Hattori's latest inventions are groundbreaking control methods for continuously variable transmissions. One notable patent details a method of controlling the transmission ratio by adjusting the effective diameters of drive and driven pulleys. This system utilizes a V-belt and responds to variables such as vehicle speed and throttle valve opening degree, ensuring optimal performance through precise control of the speed ratio. Another key patent focuses on a belt-and-pulley type continuously variable transmission, which incorporates hydraulic pressure to facilitate the movement of conical members in the drive and driven pulleys. This synchronized movement allows for seamless adjustments in the effective diameters, thereby enhancing the control over the transmission ratio.
Career Highlights
Torao Hattori has made significant strides in the automotive industry through his work with esteemed companies. Notably, he worked at Honda Giken Kogyo Kabushiki Kaisha, as well as Honda Giken Kogyo K.K., where he was pivotal in the development of advanced transmission technologies. His extensive experience and expertise have positioned him as a leading figure in automotive innovation.
Collaborations
Throughout his career, Hattori collaborated with talented individuals such as Masao Nishikawa and Minoru Nishimura. These partnerships have fostered an environment of innovation and have contributed to the successful realization of several pioneering technologies in the field of continuously variable transmissions.
Conclusion
Torao Hattori's impressive array of patents and his collaborative efforts within the automotive industry underscore his status as an influential inventor. His dedication to enhancing vehicle transmission systems through innovative technologies has left an indelible mark on the automotive landscape, paving the way for future advancements in this vital area.