This inventor holds 17 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1986-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kitakyusyushi, JP (1993 - 1998)
- Kitakyushu, JP (1986 - 2005)
Company Filing History:
Years Active: 1986-2005
Title: Yasunari Yoshitomi: Innovator in Electrical Steel Technology
Introduction
Yasunari Yoshitomi is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of electrical steel technology, holding a total of 17 patents. His work focuses on enhancing the magnetic properties of electrical steel sheets, which are crucial for various applications in the electrical industry.
Latest Patents
Yoshitomi's latest patents include innovations such as a thick grain-oriented electrical steel sheet that exhibits excellent magnetic properties. This invention comprises 2.5-4.5% silicon by weight and measures between 0.36-1.00 mm in thickness. It achieves a good core loss value by controlling its carbon content, flux density, grain boundary configuration, and the degree of crystal orientation in the grains. Another notable patent is for a decarburization-annealed steel strip, which serves as an intermediate material for grain-oriented electrical steel strips. This steel strip possesses a micro-structure where the primary recrystallization grains have an average diameter of not less than 15 micrometers and a coefficient of diameter deviation of not more than 0.6, resulting in excellent electrical properties.
Career Highlights
Yasunari Yoshitomi is associated with Nippon Steel Corporation, where he has been instrumental in advancing electrical steel technologies. His innovative approaches have led to significant improvements in the performance of electrical steel products, making them more efficient for industrial applications.
Collaborations
Yoshitomi has collaborated with notable colleagues, including Nobuyuki Takahashi and Kenzo Iwayama. Their combined expertise has contributed to the successful development of various patents and innovations in the field.
Conclusion
Yasunari Yoshitomi's contributions to electrical steel technology have established him as a key figure in the industry. His innovative patents and collaborations continue to influence advancements in electrical materials, showcasing the importance of research and development in this field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile