This inventor holds 3 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 2004-2006.
Company Filing History:
Years Active: 2004-2006
Title: Hirofumi Sonoda: Innovator in Laser/Arc Welding Technology
Introduction
Hirofumi Sonoda is a notable inventor based in Narashino, Japan. He has made significant contributions to the field of welding technology, particularly through his innovative methods and apparatuses. With a total of 3 patents to his name, Sonoda continues to push the boundaries of engineering and manufacturing.
Latest Patents
One of Sonoda's latest patents is a method and apparatus for composite YAG laser/arc welding. This combined YAG laser/arc welding apparatus performs welding operations with a large depth of fusion and high efficiency. The apparatus includes an arc electrode that targets a specific point on the welded member where a laser beam from a YAG laser is focused. While an arc power supply is connected between the arc electrode and the welded member, the member is irradiated by the YAG laser, producing plasmoid gases and metal vapors. This process effectively initiates an arc from the arc electrode. The combined YAG laser/arc welding operation is conducted while maintaining the plume within and outside a keyhole. The welded surface is covered by a hood, and a shielded gas passed through a commutation metal network surrounds the welded focus to prevent oxidation and maintain the plume. A filler wire is also fed to the molten pool during the process.
Career Highlights
Hirofumi Sonoda is currently employed at Honda Giken Kogyo Kabushiki Kaisha, where he continues to develop advanced welding technologies. His work has been instrumental in enhancing the efficiency and effectiveness of welding processes in various applications.
Collaborations
Sonoda has collaborated with notable coworkers, including Yasutomo Ichiyama and Toshiyasu Ukena. Their combined expertise has contributed to the successful development of innovative welding solutions.
Conclusion
Hirofumi Sonoda is a pioneering inventor whose work in laser/arc welding technology has made a significant impact in the field. His innovative approaches and collaborations continue to drive advancements in manufacturing processes.