Location History:
- Kimitsu, JP (1988 - 2010)
- Kawasaki, JP (2011 - 2014)
- Futtsu, JP (2016)
Company Filing History:
5 out of 3,542 
3 out of 1,101 Years Active: 1988-2016
Title: Innovations of Rikio Chijiiwa in Steel Technology
Introduction
Rikio Chijiiwa is a prominent inventor based in Kawasaki, Japan, known for his significant contributions to the field of steel technology. With a total of 8 patents, he has developed innovative solutions that enhance the properties and applications of steel in various industries.
Latest Patents
Chijiiwa's latest patents include a novel steel for welding, which features specific compositions to improve its performance. This steel includes components where the phosphorus (P) content is less than or equal to 0.065%, and the equivalent carbon content (CeqH) is less than or equal to 0.225%. Additionally, it specifies that the number of oxide particles with an equivalent circle diameter of 2 micrometers or greater is limited to 20 particles per millimeter, ensuring high quality in welding applications. Another notable patent is for a steel designed for welded structures, which comprises a carefully balanced composition of carbon, silicon, manganese, nickel, titanium, oxygen, nitrogen, magnesium, and calcium, with the balance made up of iron and unavoidable impurities. This innovative approach to steel composition aims to enhance the mechanical properties and durability of welded structures.
Career Highlights
Throughout his career, Rikio Chijiiwa has worked with leading companies in the steel industry, including Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His work has significantly impacted the development of advanced steel materials, making him a key figure in the field.
Collaborations
Chijiiwa has collaborated with notable professionals in the industry, including Yoshiyuki Watanabe and Kazuhiro Fukunaga. These collaborations have fostered innovation and contributed to the advancement of steel technology.
Conclusion
Rikio Chijiiwa's contributions to steel technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative approaches continue to shape the future of steel applications and manufacturing processes.
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.