This inventor holds 66 USPTO granted patents and 15 published patent applications, plus 8 CIPO patents and 42 EPO patents, primarily in High-Strength Steel (CPC class C22C). Top assignees: Jfe Steel Corporation, Hitachi, Ltd., Kawasaki Steel Corporation. Active years: 1978-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Itabashi-ku, Tokyo, JP (2007)
- Hitachi, JP (1978 - 2013)
- Chiba, JP (1991 - 2018)
- Kawasaki, JP (2011 - 2020)
- Tokyo, JP (1982 - 2024)
Company Filing History:
42 out of 1,962 
9 out of 42,731 
6 out of 1,256 
Years Active: 1978-2026
Areas of Expertise:
Title: The Steel Innovator: Takeshi Yokota's Patent Journey
Introduction:
Takeshi Yokota, a prominent inventor based in Tokyo, JP, has made significant strides in the field of steel manufacturing. With an impressive portfolio of 58 patents, Yokota-san is known for his groundbreaking work in creating high-strength steel sheets and members with superior properties.
Latest Patents:
Yokota's latest patents include innovative solutions for steel sheet and member manufacturing. One such patent focuses on a steel sheet and member with exceptional cold workability, hardenability, and post-quenching surface layer hardness. The composition and microstructure of the steel sheet are meticulously designed to enhance its mechanical properties, making it ideal for various applications.
Another patent showcases Yokota's expertise in developing high-strength hot rolled steel sheets. These sheets exhibit a specific chemical composition and unique steel structure, characterized by the presence of lower bainite and tempered martensite phases. With remarkable tensile strength and surface finish, these steel sheets are at the forefront of modern steel technology.
Career Highlights:
During his career, Yokota has made significant contributions to renowned companies such as JFE Steel Corporation and Hitachi, Ltd. His innovative approach to steel manufacturing has not only revolutionized the industry but has also earned him recognition as a leading expert in the field.
Collaborations:
Yokota has collaborated closely with industry peers such as Kazuhiro Seto and Yoshiyasu Kawasaki. Together, they have explored new avenues in steel research and development, leading to the creation of cutting-edge technologies that have set new benchmarks in the steel industry.
Conclusion:
In conclusion, Takeshi Yokota's dedication to innovation and excellence in steel manufacturing is evident through his numerous patents and collaborations. His relentless pursuit of advancing steel technology has not only elevated the standards of the industry but has also cemented his reputation as a pioneering inventor in the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile