Location History:
- Chiba, JP (2004)
- Tokyo, JP (2012)
Company Filing History:
2 out of 1,793 
1 out of 1,100 Years Active: 2004-2012
Title: **Innovative Contributions of Shuichi Sakaguchi in Steel Technology**
Introduction
Shuichi Sakaguchi, an accomplished inventor based in Tokyo, Japan, has made significant strides in the field of steel manufacturing. With two notable patents to his name, Shuichi has demonstrated his expertise in developing high-strength materials and advanced welding techniques vital for numerous industrial applications.
Latest Patents
Shuichi Sakaguchi's latest patents showcase his innovative approach to enhancing the properties of welded steel. One of his notable inventions is titled "High-strength welded steel pipe including weld metal having high cold-cracking resistance and method for manufacturing the same." This invention features a high-strength steel pipe characterized by a tensile strength of 800 MPa or more, incorporating a weld metal that not only demonstrates high cold-cracking resistance but also high low-temperature toughness. The specific composition of the weld metal includes C (0.04% to 0.09% by mass), Si (0.32% to 0.50% by mass), Mn (1.4% to 2.0% by mass), along with carefully controlled amounts of elements like Cu, Ni, Mo, Cr, and V.
Another significant contribution from Shuichi is the patent titled "Steel wire for MAG welding and MAG welding method using the same." This invention pertains to a steel wire designed for MAG welding in DC-electrode negative, consisting of a strict composition that includes C, Si, Mn, and minor rare-earth elements, enabling effective welding of steel sheets with thicknesses between 0.2 to 4.5 mm.
Career Highlights
Throughout his career, Shuichi has been affiliated with reputable organizations such as JFE Steel Corporation and Kabushiki Kaisha Kobe Seiko Sho. His experience in these companies has undoubtedly contributed to his development of revolutionary welding technologies and high-strength steel products.
Collaborations
In his professional journey, Shuichi has collaborated with other notable inventors and colleagues, including Tokihiko Kataoka and Koichi Yasuda. These collaborations have fostered a creative environment for innovation, leading to advancements that benefit the steel manufacturing industry.
Conclusion
Shuichi Sakaguchi stands out as a pioneer in the realm of welding technology and material strength. His contributions through innovative patents enhance the performance and durability of steel products, cementing his legacy in the engineering community. With a commitment to excellence, Shuichi continues to inspire future generations of inventors in the fields of steel manufacturing and technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.