Company Filing History:
Years Active: 1979-1984
Title: Innovations of Hitoshi Kuroda: Pioneering Tin-Free Steel
Introduction
Hitoshi Kuroda, an accomplished inventor from Kudamatsu, Japan, has made significant contributions to the field of materials science, particularly in the development of tin-free steel. With a portfolio that includes four registered patents, Kuroda's innovations demonstrate a deep understanding of metallurgical processes and their applications in packaging.
Latest Patents
One of Kuroda's most prominent inventions is the creation of a tin-free steel can body. This innovative material features a first layer of metallic chromium on a steel base and a second layer of hydrated chromium oxide on the first layer. Notably, the atomic ratios of sulfur and fluorine in this second layer are maintained at not greater than 2.5 atomic percent and 10 atomic percent, respectively. This unique composition allows for the production of a nylon-adhered can body that can withstand both hot-packing and retort treatment processes. The tin-free steel exhibits excellent lacquer adhesion, even after aging in hot water and under retort conditions, making it highly suitable for the packaging industry.
Kuroda also patented the process for producing this tin-free steel. The methodologies outlined in his patent suggest a systematic approach to achieving the desired material properties, thereby reinforcing the utility and versatility of tin-free steel in various applications.
Career Highlights
Throughout his career, Kuroda has worked with reputable companies like Toyo Kohan Co., Ltd. and the Migita Patent Office. His experience in both manufacturing and intellectual property has allowed him to excel as an inventor, ensuring that his innovations are effectively protected and utilized.
Collaborations
Kuroda’s efforts have often been complemented by the work of his colleagues, particularly Tsuneo Inui and Kenji Hizuka. Their collaboration has likely fostered an environment of innovation and creativity, leading to breakthroughs in the development of new materials and technologies.
Conclusion
With his inventions focusing on improving the properties of tin-free steel, Hitoshi Kuroda exemplifies the impact that dedicated inventors can have on industrial practices. His advancements not only enhance the functionality of packaging materials but also pave the way for more sustainable manufacturing processes in the future. Kuroda's work continues to inspire those in the engineering and materials science fields, ultimately contributing to both innovation and the economy.