Jinkichi Tanaka

Title: Jinkichi Tanaka: Innovator in Seam-Welding Technology

Introduction

Jinkichi Tanaka is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of welding technology, particularly in the seam-welding of steel pipes. With a total of 9 patents to his name, Tanaka's work has advanced the efficiency and effectiveness of welding processes.

Latest Patents

Tanaka's latest patents include a method and apparatus for seam-welding steel pipes. This innovative method involves providing a conductive net-like enclosure tube around a cable that supplies direct electric current to the welding head. The process allows for the conduction of direct electric current through the enclosure tube and the steel pipe in opposite directions, minimizing the magnetic field created around the net enclosure tube and producing a welded steel pipe seam. Another notable patent focuses on preventing magnetization of pipe blanks during GMA welding. This method utilizes multiple consumable electrodes connected to direct current in alternating polarities, effectively canceling out magnetic forces and preventing issues such as magnetic arc blow.

Career Highlights

Tanaka is associated with Nippon Kokan Kabushiki Kaisha, a company known for its advancements in steel production and welding technology. His work has not only contributed to the company's reputation but has also set new standards in the industry.

Collaborations

Throughout his career, Tanaka has collaborated with notable coworkers, including Itaru Watanabe and Fusao Koshiga. These partnerships have fostered innovation and have been instrumental in the development of new welding techniques.

Conclusion

Jinkichi Tanaka's contributions to seam-welding technology have had a lasting impact on the industry. His innovative methods and collaborative efforts continue to influence the field of welding, showcasing the importance of invention in advancing technology.