Company Filing History:
Years Active: 1996-1997
Title: Inventor Shoji Harada: Pioneering Advancements in MAG Arc Welding
Introduction
Shoji Harada, an innovative inventor based in Osaka, Japan, has made significant contributions to the field of welding technology. With three patents to his name, his work focuses on enhancing MAG arc welding methods and apparatuses. Harada’s inventions demonstrate his commitment to improving the quality and efficiency of welding processes, making him a respected figure in the industry.
Latest Patents
Shoji Harada's most recent patents include a groundbreaking MAG arc welding apparatus designed to achieve welding beads in regular ripple patterns or suitable sectional forms. His invention revolves around a welding power source that generates two welding currents: a first current I1 and a second current I2, which is larger than the first. By adjusting the wire melting speed through alternating between these currents, Harada's method creates an efficient welding process. Notably, the method allows for the generation of arc lengths more than 2 mm, with a switching frequency between the currents set between 0.5 to 25 Hz. The invention's significant flexibility also accommodates larger gaps during lap or butt welding, requiring increased molten metal by adjusting the wire feeding rate by 5 to 20%. Ultimately, this innovation contributes to producing reinforcements with an aesthetically pleasing appearance.
Career Highlights
Harada is associated with Daihen Corporation, a prominent company in the welding industry. His contributions to the field have not only advanced welding techniques but have also significantly improved production processes and outcomes for various industries relying on precise welding applications.
Collaborations
Throughout his career, Shoji Harada has collaborated with skilled professionals, including Tomoyuki Ueyama and Toshiaki Nakamata. These partnerships demonstrate the importance of teamwork and knowledge-sharing in the pursuit of innovation, enhancing the capabilities and effectiveness of the developed welding solutions.
Conclusion
Shoji Harada's innovative accomplishments in MAG arc welding exhibit his dedication to advancing welding techniques and improving overall process efficiency. His patents reflect a focused approach to innovation, addressing practical challenges in welding technology. As the industry continues to evolve, Harada's contributions will undoubtedly impact the future of welding, marking him as a noteworthy inventor in the field.