Location History:
- Chiba, JP (1984 - 1995)
- Tokyo, JP (2002 - 2004)
Company Filing History:
14 out of 1,256 
1 out of 20 
1 out of 158 
Years Active: 1984-2004
Title: Innovations of Toshikazu Sakuraya: Pioneering Techniques in Stainless Steel and Chromium Processing
Introduction
Toshikazu Sakuraya, a prolific inventor based in Chiba, Japan, has made significant contributions to the field of metallurgical engineering. With an impressive portfolio of 16 patents, Sakuraya has focused on innovative methods for treating stainless steel refining slag and processing chromium oxide-containing substances. These advancements not only provide solutions to environmental challenges but also enhance the utility of industrial by-products.
Latest Patents
Among Sakuraya's latest patents is a groundbreaking Method for the treating stainless steel refining slag. This method involves adjusting the slag's basicity to a range of 1.3-4.0 and mixing it with a sulfur-containing material, ensuring the sulfur is in a zero or negative valence. This technique sets the sulfur concentration in the slag to be no less than 0.2% by weight and effectively prevents chromium from being eluted, allowing for the slag's utilization as a roadbed and reclamation material for civil works. The quenching process is vital as it cools the slag from 1200°C to 400°C within 48 hours to achieve the desired effects.
Another recent patent is related to a Method for processing chromium oxide-containing substances in large quantities. This technique simplifies the reduction of chromium oxides using sulfur sources at lower temperatures, benefiting the iron industry significantly. Sakuraya describes various approaches for mixing chromium oxide-containing substances with blast furnace slag to optimize their reduction, paving the way for their application in civil engineering projects.
Career Highlights
Toshikazu Sakuraya's career is adorned with remarkable experiences at notable organizations such as Kawasaki Steel Corporation and Osaka Sanso Kogyo Ltd. His work in these companies has not only enriched his expertise but also led to pioneering innovations that address critical industrial needs.
Collaborations
Throughout his career, Sakuraya has collaborated with talented professionals, including Tetsuya Fujii and Kenichi Sorimachi. Their combined efforts have led to advancements that contribute significantly to the fields of metallurgy and materials science.
Conclusion
Toshikazu Sakuraya's inventive spirit exemplifies the potential of combining scientific knowledge with practical applications. His latest patents illustrate a commitment to advancing industrial practices while addressing environmental concerns. As innovations continue to emerge, Sakuraya's work will undoubtedly inspire future generations of inventors and engineers.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.