Company Filing History:
1 out of 144 
1 out of 19 Years Active: 2013
Title: The Innovative Contributions of Yoshinari Rokken
Introduction
Yoshinari Rokken is a notable inventor based in Nabari, Japan. He has made significant contributions to the field of engineering, particularly in the design of connection structures for flexible tubes. His innovative approach has led to the development of a unique patent that addresses practical challenges in this area.
Latest Patents
Rokken holds a patent for a connection structure of a flexible tube. This invention involves a flexible tube fitted to the end portion of a metal pipe. The design includes an annular projection, a first radially enlarged portion, a seal ring, and a second radially enlarged portion. The annular projection is formed on the outer surface of the metal pipe's end portion. The first radially enlarged portion is located on the tip side of the metal pipe relative to the projection, creating a first annular groove with the projection. The seal ring is fitted into this annular groove, while the second enlarged portion is positioned on the base side of the metal pipe, forming a second annular groove with the projection. The flexible tube's tip is positioned near the maximum diameter portion of the second enlarged portion. Rokken's patent represents a significant advancement in the functionality and reliability of flexible tube connections.
Career Highlights
Throughout his career, Yoshinari Rokken has worked with reputable companies, including Nitta Corporation and Fts Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects. Rokken's work has been instrumental in enhancing the performance of flexible tube connections in industrial applications.
Collaborations
Rokken has collaborated with several talented individuals in his field. Notable coworkers include Satoru Hosotani and Jun Okada. Their combined expertise has fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Yoshinari Rokken's contributions to the field of engineering, particularly through his patent for a connection structure of a flexible tube, highlight his innovative spirit and dedication to improving industrial applications. His collaborations and career experiences further underscore his impact on the industry.