Location History:
- Fukuyama, JP (2014 - 2020)
- Tokyo, JP (2018 - 2021)
Company Filing History:
3 out of 1,792 
1 out of 1,398 
Years Active: 2014-2021
Title: Innovations by Shinichi Kakihara in High-Strength Steel Plates
Introduction
Shinichi Kakihara is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of materials engineering, particularly in the development of high-strength steel plates. With a total of four patents to his name, Kakihara has made strides in enhancing the mechanical properties of steel used in structural applications.
Latest Patents
Kakihara's latest patents include a steel plate designed for structural pipes or tubes, along with a method for producing such plates. This innovation focuses on creating a high-strength steel plate of API X80 grade or higher, with a thickness of 38 mm or more. The steel plate exhibits excellent resistance to post-weld heat treatment (PWHT) and remarkable toughness at the heat-affected zone, especially at the butting faces joined by welding. The specific chemical composition of this steel plate ensures mechanical properties such as a yield strength of 555 MPa or more, a tensile strength of 625 MPa or more, and a Charpy absorption energy of 250 J or more at -10°C. Additionally, he has developed a high-strength, high-toughness steel sheet that meets stringent specifications for tensile strength and ductility.
Career Highlights
Throughout his career, Shinichi Kakihara has worked with notable companies, including JFE Steel Corporation and ExxonMobil Upstream Research Company. His work has significantly impacted the steel industry, particularly in the development of materials that meet the demands of modern engineering applications.
Collaborations
Kakihara has collaborated with esteemed colleagues such as Nobuyuki Ishikawa and Shusaku Ota, contributing to advancements in steel technology and materials science.
Conclusion
Shinichi Kakihara's innovations in high-strength steel plates have positioned him as a key figure in materials engineering. His patents reflect a commitment to enhancing the performance and reliability of structural materials, which are essential for various engineering applications.
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.