This inventor holds 4 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 1 EPO patent. Top assignees: Nippon Steel Nisshin Co., Ltd., Ns Wheeling-Nisshin, Inc., Nippon Steel Corporation. Active years: 2020-2026.
Company Filing History:
2 out of 45 
2 out of 2 
1 out of 3,711 Years Active: 2020-2026
Title: Koutarou Ishii: Innovator in Hot-Dip Coating Technology
Introduction
Koutarou Ishii is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of hot-dip coating technology, holding a total of three patents. His work focuses on improving the quality and production methods of hot-dip aluminized steel sheets.
Latest Patents
One of Ishii's latest patents is for a hot-dip aluminized steel strip and method of producing the same. This innovation provides a hot-dip aluminized steel sheet with fine-sized spangles, produced through a method that differs from conventional techniques. The hot-dip aluminized steel sheet consists of a substrate steel sheet and an aluminum-based coating formed by a hot-dip method. This coating has specific concentration requirements, including an average B concentration of not less than 0.005 mass % and a combined average Ti and V concentration of not more than 0.03 mass %.
Another significant patent involves hot-dip coating equipment that includes a cooling rate determining device. This device features a coefficient obtaining section that calculates coefficients associated with the hot-dip coating bath. It also includes a rate determining section that establishes an average cooling rate to ensure the discoloration of the coated steel sheet remains below a predetermined reference value.
Career Highlights
Throughout his career, Koutarou Ishii has worked with prominent companies such as Nippon Steel Nisshin Co., Ltd. and Ns Wheeling-Nisshin, Inc. His experience in these organizations has allowed him to refine his expertise in steel production and coating technologies.
Collaborations
Ishii has collaborated with notable coworkers, including Shinya Furukawa and Yasunori Hattori. Their combined efforts have contributed to advancements in the field of hot-dip coating.
Conclusion
Koutarou Ishii's innovative work in hot-dip coating technology has led to significant advancements in the production of aluminized steel sheets. His patents reflect a commitment to improving manufacturing processes and product quality in the steel industry.