Company Filing History:
2 out of 3 
1 out of 92 
1 out of 58,130 
Years Active: 1978-1992
Title: Toshio Sakurai: Innovator in Metal Tube Drawing and Lubrication Systems
Introduction
Toshio Sakurai is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the areas of metal tube drawing and lubrication systems. With a total of 7 patents to his name, Sakurai's work has had a lasting impact on industrial processes.
Latest Patents
Sakurai's latest patents include innovative methods for cold drawing seamless metal tubes. One of his notable inventions is a method and device for cold drawing seamless metal tubes, each having an upset portion on both ends. This invention features a draw bench that comprises a reducing die, a die control unit, a plug control unit, and a draw unit. The design of the reducing die includes an internal surface with a tapering inlet portion, a small diameter bearing portion, and an oppositely inclined outlet portion. Additionally, he has developed a method and system for lubrication that addresses the needs of mechanical systems operating under severe conditions. This system includes a lubricating oil feeding device, an extracting device, and a control device that analyzes the properties of the lubricating oil.
Career Highlights
Throughout his career, Sakurai has worked with several prominent companies, including Sanwa Kokan Co., Ltd and Asahi Denka Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Sakurai has collaborated with notable coworkers such as Yutaka Sunaga and Akio Nishihara. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Toshio Sakurai's contributions to the fields of metal tube drawing and lubrication systems exemplify his innovative spirit and dedication to engineering. His patents continue to influence industrial practices, showcasing the importance of creativity in technology.