This inventor holds 3 USPTO granted patents. Top assignees: Institute of Research and Innovation, Japan Nuclear Cycle Development Institute. Active years: 1991-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 3 
1 out of 55 Years Active: 1991-2005
Title: Mikio Kumagai: Innovator in Radioactive Waste Management
Introduction
Mikio Kumagai is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of radioactive waste management, holding a total of 3 patents. His innovative methods focus on the efficient separation and recovery of valuable elements from hazardous materials.
Latest Patents
One of Kumagai's latest patents is a method for the separation and recovery of elements from radioactive liquid wastes. This method involves bringing high-level radioactive liquid waste into contact with a solid absorbent containing organophosphorus compounds. The target elements, including Americium, Curium, Zirconium, Molybdenum, Palladium, and rare earth elements, are absorbed by the solid absorbent. The process continues with an elution step using an acidic solution, allowing for the efficient recovery of these elements. Another significant patent focuses on the enrichment of krypton in a gaseous oxygen/nitrogen mixture. This process utilizes an adsorption/desorption method with a system of fixed bed adsorption columns packed with hydrogenated mordenite, effectively enriching krypton from trace amounts.
Career Highlights
Kumagai has worked with esteemed organizations such as the Institute of Research and Innovation and the Japan Nuclear Cycle Development Institute. His work in these institutions has allowed him to develop and refine his innovative methods for handling radioactive materials.
Collaborations
Throughout his career, Kumagai has collaborated with notable colleagues, including Takaaki Tamura and Akimichi Katsuta. These partnerships have contributed to the advancement of his research and the successful implementation of his patented methods.
Conclusion
Mikio Kumagai's contributions to the field of radioactive waste management through his innovative patents demonstrate his commitment to addressing environmental challenges. His work not only enhances the efficiency of element recovery but also promotes safety in handling hazardous materials.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile