Location History:
- Tokyo, JP (2016)
- Tokai, JP (2019)
Company Filing History:
Years Active: 2016-2019
Title: Innovations by Yoshifumi Karube
Introduction
Yoshifumi Karube is a notable inventor based in Tokai, Japan. He has made significant contributions to the field of electric resistance welding, holding 2 patents that showcase his innovative approaches to monitoring and managing welding operations.
Latest Patents
Karube's latest patents include a "Welded State Monitoring System" and a "Welded State Monitoring Method." The welded state monitoring system is designed for plasma shielded electric resistance welding, where it utilizes a plasma irradiation device to monitor the weld zone of a steel sheet. This system features a first image capturing device that captures images from above, equipped with an image sensor capable of detecting light with a wavelength of 850 nm or more. Additionally, it includes a first wavelength region limiting device to filter the light incident on the image capturing device, and an image processing device that analyzes the welded state without interference from the plasma.
Another significant patent is the "Electric Resistance Welding Operation Management Device," which manages welding operations during the manufacture of electric resistance welded steel pipes. This device inputs multiple images of the Vee convergence region of the steel plate and derives the position of the welding point, ensuring precise management of the welding process.
Career Highlights
Throughout his career, Yoshifumi Karube has worked with prominent companies such as Nippon Steel & Sumitomo Metal Corporation and Nippon Steel Corporation. His experience in these organizations has contributed to his expertise in welding technologies and innovations.
Collaborations
Karube has collaborated with notable colleagues, including Noboru Hasegawa and Hideki Hamatani. Their combined efforts have further advanced the field of electric resistance welding.
Conclusion
Yoshifumi Karube's contributions to welding technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative solutions continue to impact the field of electric resistance welding significantly.