Company Filing History:
Years Active: 2024
Title: Innovations by Yoshiko Nakahara
Yoshiko Nakahara is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of materials engineering, particularly in the development of advanced steel products. Her innovative work has led to the creation of a patented technology that enhances the performance of hot press members.
Latest Patents
Yoshiko Nakahara holds a patent for a hot press member, along with the production method for steel sheets used in hot pressing. This invention features a hot press member that exhibits excellent indentation peel strength, with a tensile strength of 1780 MPa or more. The patent details a plating layer with a surface roughness of 25 μm or less and specifies the composition of the steel sheet, which includes precise percentages of carbon, silicon, manganese, phosphorus, sulfur, aluminum, nitrogen, antimony, niobium, and titanium. The average crystal grain size of the prior austenite is maintained at 7 μm or less, ensuring that the volume proportion of martensite is 90% or more within a thickness of 50 μm from the surface, excluding the plating layer.
Career Highlights
Yoshiko Nakahara is currently employed at JFE Steel Corporation, where she continues to innovate and develop new materials. Her work has been instrumental in advancing the capabilities of steel products used in various applications. She has demonstrated a strong commitment to research and development, contributing to the company's reputation as a leader in the steel industry.
Collaborations
Yoshiko collaborates with talented colleagues, including Yoshie Obata and Katsutoshi Takashima. Together, they work on various projects that aim to push the boundaries of materials science and engineering.
Conclusion
Yoshiko Nakahara's contributions to the field of materials engineering, particularly through her patented innovations, highlight her role as a leading inventor in the industry. Her work at JFE Steel Corporation continues to influence the development of advanced steel products, showcasing her dedication to innovation and excellence.