This inventor holds 2 USPTO granted patents. Top assignee: Denki Kagaku Kogyo Kabushiki Kaisha. Active years: 2014.
Company Filing History:
Years Active: 2014
Title: Ryoetsu Yoshino: Innovator in Cement Technology
Introduction
Ryoetsu Yoshino is a notable inventor based in Itoigawa, Japan. He has made significant contributions to the field of cement technology, particularly through his innovative patents. With a total of 2 patents, Yoshino's work focuses on enhancing the properties of concrete and cement compositions.
Latest Patents
Yoshino's latest patents include an expansive material and its preparation process. This invention provides an expansive material that allows for large expansion of concrete at a material age of 2 to 7 days after pouring. It permits concrete to have higher initial compressive strength and ensures good storage stability. The preparation process involves heat treating clinker or pulverized clinker containing free lime, a hydraulic compound, and calcium sulfate anhydrite in a carbon dioxide gas atmosphere to form calcium carbonate. The expansive material is blended with cement into a cement composition, enhancing its performance.
Another significant patent is a cement admixture that improves the ability of concrete to achieve high initial strength. This admixture works favorably in reducing hexavalent chromium and maintains its effectiveness even upon storage. The cement admixture comprises an expanding material containing free lime, a hydraulic compound, and a tin sulfate-containing substance. This innovative approach not only enhances concrete properties but also addresses environmental concerns related to hexavalent chromium.
Career Highlights
Yoshino is associated with Denki Kagaku Kogyo Kabushiki Kaisha, a company known for its advancements in chemical technology. His work has been instrumental in developing new materials that improve the performance of concrete and cement.
Collaborations
Yoshino has collaborated with notable coworkers, including Takayuki Higuchi and Taiichiro Mori. Their combined expertise has contributed to the successful development of innovative cement technologies.
Conclusion
Ryoetsu Yoshino's contributions to cement technology through his patents demonstrate his commitment to innovation and environmental sustainability. His work continues to influence the construction industry, paving the way for stronger and more efficient concrete solutions.