Company Filing History:
4 out of 42,508 
1 out of 1 
1 out of 50 Years Active: 1987-1989
Title: Isao Okamoto: Innovator in Railway Technology
Introduction
Isao Okamoto, an accomplished inventor based in Musashino, Japan, has made significant contributions to the railway industry with a total of four patents to his name. His work has focused on enhancing the safety and efficiency of railway vehicles.
Latest Patents
Among his latest innovations is the "Wheelset Steering Apparatus and Method for the Truck of Railway Vehicles." This invention features a wheelset steering apparatus where an axle box is rotatably provided at the ends of the wheelset. It is elastically supported in both longitudinal and lateral directions relative to the truck frame. This design allows vertical loadings to be carried efficiently by the axle box, improving the self-steering properties of the wheelset and ensuring greater stability when traveling on straight tracks.
Another notable patent is for a "Truck for Railway Vehicle," designed to allow each wheel-and-axle optimal steering operations while navigating curved tracks. This innovation simplifies the construction of journal box locators, enabling effective location and fitting of the journal box to the truck frame. This innovation expands the upward movement of the journal box with respect to the truck's center axis, allowing for relative displacement through elastic deformation of the members involved.
Career Highlights
Isao Okamoto has worked with renowned companies, including Hitachi, Ltd. and Japan National Railway, where he developed advanced technologies that have shaped modern railway systems. His extensive experience and innovative mindset have positioned him as a key figure in the advancement of railway technology.
Collaborations
Throughout his career, Isao Okamoto has collaborated with notable colleagues, including Hideo Takai and Katsuyuki Terada. These partnerships have fostered knowledge exchange and innovation, resulting in influential advancements in railroad technology.
Conclusion
Isao Okamoto's contributions to railway technology through his inventive patents demonstrate his commitment to enhancing the efficiency and safety of railway vehicles. His work reflects a blend of practical engineering and innovative thinking, ensuring that railway systems can meet modern demands.