Tokyo, Japan

Yoshie Obata

This inventor holds 10 USPTO granted patents and 3 published patent applications and 5 EPO patents. Top assignee: Jfe Steel Corporation. Active years: 2020-2026.

USPTO Granted Patents = 10 

% Patents Active = 80.0

 

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 6(Granted Patents)


Location History:

  • Chiba, JP (2020)
  • Tokyo, JP (2020 - 2021)

Company Filing History:


Years Active: 2020-2026

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10 patents (USPTO):Explore Patents

Title: **Yoshie Obata: Innovator in High-Strength Steel Technologies**

Introduction

Yoshie Obata is a prominent inventor based in Tokyo, Japan, known for her significant contributions to the field of metallurgy and materials science. With an impressive portfolio of 7 patents, she has made remarkable advancements in the production and characteristics of high-strength cold-rolled steel sheets and hot-pressed members.

Latest Patents

Obata’s latest patents include a high-strength cold-rolled steel sheet and a comprehensive production method that incorporates a complex composition and innovative crystalline structure. This steel sheet consists of a specific volume percentage of ferrite, retained austenite, bainite, and martensite, with finely controlled average crystal grain sizes.

Additionally, she has developed a hot-pressed member that boasts exceptional tensile strength of over 1850 MPa while maintaining excellent delayed fracture resistance. This member features a well-defined chemical composition and microstructure, ensuring its reliability and effectiveness in various applications.

Career Highlights

Yoshie Obata is currently employed at JFE Steel Corporation, where she utilizes her expertise to drive innovation in steel production technologies. Her work has not only enhanced material properties but also has the potential to revolutionize industries that rely on high-strength steel components.

Collaborations

Throughout her career, Obata has collaborated with distinguished professionals such as Katsutoshi Takashima and Takeshi Yokota. These partnerships have fostered a creative environment, allowing for the exchange of ideas and the advancement of groundbreaking technologies in metal processing.

Conclusion

Yoshie Obata exemplifies the spirit of innovation in materials science with her invaluable patents and contributions at JFE Steel Corporation. Her dedication and expertise continue to influence the industry, ensuring that her legacy will endure as a leader in the development of high-strength steel technologies.

Profile summary based on public USPTO records.
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