Location History:
- Chiba, JP (1985 - 2004)
- Tokyo, JP (2006)
Company Filing History:
Years Active: 1985-2006
Title: The Innovations of Hisatada Nakakoji
Introduction
Hisatada Nakakoji, based in Chiba, Japan, is a prominent inventor known for his significant contributions to the field of coated steel and tin-plated steel technology. With an impressive portfolio of 14 patents, Nakakoji has developed innovative solutions that enhance the durability and appearance of steel products.
Latest Patents
Among his latest innovations, Nakakoji holds a patent for a coated steel sheet that features an electrodeposition painting with superior appearance. This coated steel sheet consists of a steel sheet and at least two types of coating layers, achieving an arithmetic mean roughness (Ra) defined by JIS B 0601- of approximately 0.7 to 1.5 µm, and a peak per inch (PPI) ranging from 180 to 250. Another notable patent is for a tin-plated steel sheet, which includes a base steel sheet coated with tin plating that covers over 97.0% of the surface. This innovative steel sheet features a chemical conversion coating containing 0.5 to 100 mg/m of phosphorus and 0.1 to 250 mg/m of silicon, all while excluding harmful chromium. The resulting product demonstrates superior adhesion properties, discoloration resistance, and rust resistance.
Career Highlights
Hisatada Nakakoji has had an impressive career, working with notable companies such as Kawasaki Steel Corporation and JFE Steel Corporation. His experiences in these firms have greatly influenced his research and development efforts, allowing him to refine his inventions and stay at the forefront of material science.
Collaborations
Throughout his career, Nakakoji has collaborated with talented individuals including Kazuo Mochizuki and Kyoko Hamahara. These partnerships have fostered a creative environment that has led to remarkable advancements in steel technology.
Conclusion
Hisatada Nakakoji’s contributions to the steel industry through his inventive approach and collaborative spirit exemplify the impact of innovative thinking on material engineering. His patents not only enhance the functionality of steel products but also reflect a commitment to environmentally friendly technologies. With a continuing focus on innovation, Nakakoji remains a key figure in the evolution of coated steel and tin-plated technologies.