Yoshiko Takeuchi

Title: Innovations by Yoshiko Takeuchi

Introduction

Yoshiko Takeuchi is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of materials science, particularly in the development of advanced steel plates. Her innovative work has garnered attention for its potential applications in various industries.

Latest Patents

Yoshiko Takeuchi holds a patent for a steel plate and the method of producing the same, which boasts excellent CTOD properties for multilayer welding joints. The steel plate features a specific chemical composition with a Ceq of 0.45% or less, where Ceq (%) is defined as [C]+[Mn]/6+([Cu]+[Ni])/15+([Cr]+[Mo]+[V])/5. Additionally, it has a Pcm of 0.22% or less, where Pcm (%) is calculated as [C]+[Si]/30+([Mn]+[Cu]+[Cr])/20+[Ni]/60+[Mo]/15+[V]/10+5[B]. The average effective grain size at the mid-thickness part of the steel plate is 20 µm or less, and it contains porosities with an equivalent circular diameter of 200 µm or more, with the number of porosities per mm being 0.1/mm or less. This innovative patent highlights her expertise in creating materials with enhanced properties.

Career Highlights

Yoshiko Takeuchi is associated with JFE Steel Corporation, where she has been instrumental in advancing research and development in steel production. Her work has not only contributed to the company's reputation but has also set new standards in the industry.

Collaborations

Yoshiko has collaborated with notable colleagues, including Katsuyuki Ichimiya and Kazukuni Hase. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Yoshiko Takeuchi's contributions to the field of materials science, particularly through her patented innovations, demonstrate her commitment to advancing technology in steel production. Her work continues to influence the industry and inspire future innovations.