This inventor holds 2 USPTO granted patents. Top assignee: Kawasaki Steel Corporation. Active years: 1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1990
Title: Innovating Electromagnetic Steel: The Contributions of Hisanao Nakahara
Introduction
Hisanao Nakahara, an accomplished inventor based in Chiba, Japan, has made significant strides in the field of electromagnetic steel sheets. With a total of two patents to his name, Nakahara's contributions are particularly notable in the enhancement of material properties that cater to modern industrial needs.
Latest Patents
Nakahara's latest patents focus on a grain-oriented electromagnetic steel sheet designed to achieve very low iron loss. His innovative approach involves subjecting the surface of the base metal in the sheet to a specific mechanical polishing process after finish annealing. This process results in a surface roughness characterized by a center-line average roughness of not more than 0.3 µm, alongside ensuring that the number of abrasive grains embedded in a layer just beneath the polished surface is limited to no more than 20,000 grains/cm². This meticulous optimization contributes to the efficiency and performance of electromagnetic applications.
Career Highlights
Nakahara is associated with Kawasaki Steel Corporation, a leading firm in the steel industry. His work within this prestigious company has not only contributed to his inventions but has also positioned him as a prominent figure in the realm of material innovation.
Collaborations
Throughout his career, Nakahara has worked collaboratively with esteemed colleagues such as Yasuhiro Kobayashi and Hirotake Ishitobi. These partnerships have facilitated enriched research and development, ultimately driving advancements in electromagnetic steel technology.
Conclusion
Hisanao Nakahara stands out as a key innovator in the field of electromagnetic materials. His patents reflect a commitment to improving material performance, and his collaborations further underscore the importance of teamwork in driving technological advancement. Nakahara's contributions continue to influence industries reliant on efficient and high-performance electromagnetic steel sheets.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile