This inventor holds 3 USPTO granted patents and 2 published patent applications. Top assignees: Nippon Steel Sumitomo Metal Corporation, Central Japan Railway Company, Nippon Steel Corporation. Active years: 2016-2022.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 1,102 
1 out of 119 
1 out of 3,727 Years Active: 2016-2022
Title: Kazuaki Fujita: Innovator in Railway Brake Technology
Introduction
Kazuaki Fujita is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of railway technology, particularly in the development of advanced brake systems. With a total of 3 patents to his name, Fujita's work has had a lasting impact on the safety and efficiency of railroad vehicles.
Latest Patents
Fujita's latest patents include innovative designs that enhance the functionality of brake devices for railroad vehicles. One of his notable inventions is a floating caliper brake device, which features a support pin that allows for slidable movement within a support frame. This design includes a caliper, first and second brake shoes, and a pressurizing device that facilitates the movement of the first brake shoe. Additionally, an elastic member and a stopper member are incorporated to improve the device's performance.
Another significant patent is a parking brake device designed to be compact and simplified. This device is installed on the rod-protruding side of a cylinder within a caliper braking system. It includes a second piston that is coaxially coupled with the cylinder and a one-way clutch that enables the switching of the brake's ON/OFF status. The design also features a parking operation auxiliary spring and a manual release piston, enhancing the overall functionality of the braking system.
Career Highlights
Throughout his career, Kazuaki Fujita has worked with prominent companies in the railway industry. He has been associated with Nippon Steel Sumitomo Metal Corporation and Central Japan Railway Company. His experience in these organizations has contributed to his expertise in developing innovative braking technologies.
Collaborations
Fujita has collaborated with talented individuals in his field, including Ryouichi Kimura and Kousuke Sakaguchi. These collaborations have fostered a creative environment that has led to the development of groundbreaking inventions in railway technology.
Conclusion
Kazuaki Fujita's contributions to railway brake technology exemplify his innovative spirit and dedication to enhancing safety in transportation. His patents reflect a commitment to improving the functionality and efficiency of braking systems for railroad vehicles.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile