Company Filing History:
Years Active: 1978-1982
Title: Innovations of Osamu Hirano in Seam-Welding Technology
Introduction
Osamu Hirano is a notable inventor based in Fukuyama, Japan. He has made significant contributions to the field of seam-welding technology, holding a total of 5 patents. His work focuses on improving the efficiency and effectiveness of welding processes, particularly for steel pipes.
Latest Patents
Hirano'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 from a power source to the welding head. The process conducts a direct electric current through the enclosure tube and the steel pipe in opposite directions, which helps to minimize the magnetic field created around the net enclosure tube, ultimately producing a high-quality welded steel pipe seam. Another significant patent involves the production of thick welded steel pipes of large diameter. This method includes preparing welding grooves of varying sizes and angles, sequentially performing submerged arc welding, and utilizing large current MIG welding to ensure a robust and durable seam.
Career Highlights
Osamu Hirano is associated with Nippon Kokan Kabushiki Kaisha, a company renowned for its advancements in steel manufacturing and welding technologies. His work has been instrumental in enhancing the capabilities of the company in the welding sector.
Collaborations
Hirano has collaborated with notable colleagues such as Motoaki Suzuki and Hiroyoshi Matsubara. Their combined expertise has contributed to the development of innovative welding techniques and technologies.
Conclusion
Osamu Hirano's contributions to seam-welding technology have significantly impacted the industry. His innovative methods and apparatuses continue to advance the field, showcasing his dedication to improving welding processes.