Location History:
- Nohgata, JA (1977)
- Kitakyushu, JP (1989 - 1990)
Company Filing History:
Years Active: 1977-1990
Title: The Innovations of Takatoshi Egawa: Pioneering Advances in Electrical Steel Technology
Introduction
Takatoshi Egawa is a notable inventor based in Kitakyushu, Japan, renowned for his contributions to electrical steel technology. With a record of three patents, he has significantly impacted the manufacturing and performance of grain-oriented electrical steel sheets, which are crucial in various electrical applications.
Latest Patents
Egawa's most recent inventions demonstrate his innovative approach to reducing energy loss in electromagnetic applications. His first patent describes a grain-oriented electrical steel sheet possessing ultra-low watt loss and heat-resistant subdivided magnetic domains. The unique design incorporates spaced apart regions of plastic strain with an insulating coating, allowing thermal intruders, such as antimony and related materials, to enhance thermal resistance of the magnetic domains while preserving their structure post stress relief annealing.
In another patent, Egawa has developed an improved method for subdividing magnetic domains in grain-oriented electrical steel sheets. This technique further minimizes watt loss and ensures that the effectiveness persists even during stress relief annealing. The method includes the formation of an intrudable means on the finishing-annealed steel sheet in proximity to strain areas, facilitating the intrusion of materials like antimony, particularly using laser irradiation to achieve optimal results.
Career Highlights
Egawa's career is closely associated with Nippon Steel Corporation, where he has harnessed his expertise to drive innovation in electromagnetic materials. His extensive research on electrical steel has established him as a key figure in his field, allowing for advancements that significantly reduce energy inefficiencies in electrical systems.
Collaborations
Throughout his career, Takatoshi has worked alongside talented colleagues, including Toshiya Wada and Osamu Tanaka. Their collaborative efforts have been instrumental in evolving materials technology, reflecting a team dynamic that fosters significant advancements in the industry.
Conclusion
Takatoshi Egawa's innovative approaches and contributions to the field of electrical steel technology continue to resonate within the industry. His latest patents highlight his commitment to improving energy efficiency, marking him as a prominent inventor whose work aids in powering the future sustainably.