Company Filing History:
2 out of 3 
1 out of 1 Years Active: 1986-1990
Title: Akira Kaneyasu: Innovator in Magnesia Clinker Technology
Introduction
Akira Kaneyasu is a notable inventor based in Ube, Japan, recognized for his contributions to the field of materials science, particularly in the development of magnesia clinker technology. With a total of three patents to his name, Kaneyasu has made significant strides in creating lightweight and high-density magnesia clinkers.
Latest Patents
One of Kaneyasu's latest patents is for a lightweight magnesia clinker and the process for its preparation. This innovative clinker contains magnesium oxide in an amount exceeding 85 wt. % and boasts an apparent porosity of more than 40 vol. %. The bulk specific gravity of this clinker is less than 2.0 g/cm³. Notably, over 90 wt. % of the magnesia clinker particles have a diameter smaller than 3 mm, and more than 90 vol. % of the pores formed in these particles have a size smaller than 50 µm. Additionally, he has developed a high-density magnesia-calcia clinker, which contains MgO, CaO, and Fe₂O₃ as oxides, showcasing a unique chemical composition.
Career Highlights
Throughout his career, Kaneyasu has worked with Ube Chemical Industries, Co., Ltd. and Ube Chemical Industries, Ltd., where he has applied his expertise in materials science to advance the company's product offerings. His work has been instrumental in enhancing the properties and applications of magnesia clinkers.
Collaborations
Kaneyasu has collaborated with notable colleagues, including Kosei Yamamoto and Yo Arita, who have contributed to his research and development efforts in the field.
Conclusion
Akira Kaneyasu's innovative work in magnesia clinker technology has led to significant advancements in material properties, making him a key figure in this specialized area. His patents reflect a commitment to improving the efficiency and effectiveness of magnesia-based materials.