Fumio Ota

Title: Fumio Ota: Innovator in Threaded Joint Technology

Introduction

Fumio Ota is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of threaded joints for steel pipes. With a total of 4 patents to his name, Ota's work exemplifies innovation and practical application in industrial settings.

Latest Patents

Ota's latest patents focus on the design and functionality of threaded joints for steel pipes. One of his inventions describes a threaded joint constructed of a pin and a box. The pin features a first male threaded portion, a first sealing surface, a shoulder surface, a second sealing surface, and a second male threaded portion. The box complements this design with a first female threaded portion, a first sealing surface, a shoulder surface, a second sealing surface, and a second female threaded portion. This configuration ensures excellent sealing performance, with specific lengths designed to enhance the joint's integrity.

Another patent by Ota also details a threaded joint made of a pin and a box. In this design, the pin includes a shoulder surface, a nose portion, a first sealing surface, a first male threaded portion, an annular portion, a second sealing surface, and a second male threaded portion. The box features a shoulder surface, a recessed portion, a first sealing surface, a first female threaded portion, an annular portion, a second sealing surface, and a second female threaded portion. This innovative design allows for effective sealing and clearance management, ensuring durability and reliability in various applications.

Career Highlights

Throughout his career, Fumio Ota has worked with prominent companies in the industry. He has been associated with Nippon Steel Corporation, where he contributed to advancements in steel technology. Additionally, he has worked with Vallourec Oil and Gas France, further enhancing his expertise in the field.

Collaborations

Ota has collaborated with notable professionals such as Masaaki Sugino and Keita Inose. These partnerships have likely enriched his work and contributed to the innovative solutions he has developed.

Conclusion

Fumio Ota's contributions to the field of threaded joint technology demonstrate his commitment to innovation and engineering excellence. His patents reflect a deep understanding of the complexities involved in creating reliable and effective solutions for industrial applications.